./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:43,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:43,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:43,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:43,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:43,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:43,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:43,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:43,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:43,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:43,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:43,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:43,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:43,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:43,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:43,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:43,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:43,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:43,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:43,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:43,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:43,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:43,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:43,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:43,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:43,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:43,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:43,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:43,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:43,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:43,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:43,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:43,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:43,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:43,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:43,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:43,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:43,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:43,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:43,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:43,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:43,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:51:43,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:43,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:43,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:51:43,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:51:43,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:43,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:43,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:43,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:43,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:43,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:43,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:43,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:51:43,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:43,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:51:43,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:43,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:51:43,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:43,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:51:43,829 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:43,830 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:43,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:43,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:43,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:43,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:43,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:51:43,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:43,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:43,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:51:43,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2021-11-23 00:51:44,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:44,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:44,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:44,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:44,270 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:44,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2021-11-23 00:51:44,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/data/5c3bb870c/22feec474c174657a59745a23ac4aa77/FLAG37a9fecbe [2021-11-23 00:51:44,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:44,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/sv-benchmarks/c/nla-digbench/ps4-ll.c [2021-11-23 00:51:44,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/data/5c3bb870c/22feec474c174657a59745a23ac4aa77/FLAG37a9fecbe [2021-11-23 00:51:45,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/data/5c3bb870c/22feec474c174657a59745a23ac4aa77 [2021-11-23 00:51:45,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:45,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:45,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:45,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:45,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:45,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74954d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45, skipping insertion in model container [2021-11-23 00:51:45,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:45,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:51:45,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2021-11-23 00:51:45,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:45,508 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:51:45,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2021-11-23 00:51:45,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:45,542 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:51:45,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45 WrapperNode [2021-11-23 00:51:45,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:45,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:45,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:51:45,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:51:45,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,586 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-11-23 00:51:45,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:45,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:51:45,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:51:45,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:51:45,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:51:45,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:51:45,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:51:45,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:51:45,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:45,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:45,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:51:45,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:51:45,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0ec167-182e-4b4a-82bc-26833c455a5d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:51:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:51:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:51:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:51:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:51:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:51:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:51:45,788 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:51:45,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:51:45,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:51:45,987 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:51:45,987 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:51:45,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:45 BoogieIcfgContainer [2021-11-23 00:51:45,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:51:45,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:51:45,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:51:46,006 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:51:46,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:45" (1/1) ... [2021-11-23 00:51:46,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:51:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:51:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:51:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:51:46,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:57,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19m for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:58:02,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07m for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:58:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-23 00:58:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-23 00:58:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:58:02,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 00:58:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 00:58:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:02,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-11-23 00:58:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-11-23 00:58:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:02,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 00:58:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 00:58:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:02,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2021-11-23 00:58:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2021-11-23 00:58:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:02,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-23 00:58:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-23 00:58:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2021-11-23 00:58:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2021-11-23 00:58:03,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2021-11-23 00:58:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2021-11-23 00:58:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-23 00:58:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-23 00:58:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2021-11-23 00:58:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 00:58:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2021-11-23 00:58:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2021-11-23 00:58:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-23 00:58:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-23 00:58:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2021-11-23 00:58:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2021-11-23 00:58:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2021-11-23 00:58:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2021-11-23 00:58:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:03,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:03,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2021-11-23 00:58:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2021-11-23 00:58:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2021-11-23 00:58:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2021-11-23 00:58:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 100 transitions. [2021-11-23 00:58:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2021-11-23 00:58:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2021-11-23 00:58:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2021-11-23 00:58:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2021-11-23 00:58:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2021-11-23 00:58:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2021-11-23 00:58:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-23 00:58:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 116 transitions. [2021-11-23 00:58:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2021-11-23 00:58:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2021-11-23 00:58:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2021-11-23 00:58:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2021-11-23 00:58:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2021-11-23 00:58:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 69 states and 128 transitions. [2021-11-23 00:58:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 128 transitions. [2021-11-23 00:58:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2021-11-23 00:58:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2021-11-23 00:58:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:04,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:04,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:04,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:04,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 136 transitions. [2021-11-23 00:58:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2021-11-23 00:58:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 75 states and 140 transitions. [2021-11-23 00:58:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2021-11-23 00:58:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 77 states and 144 transitions. [2021-11-23 00:58:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 144 transitions. [2021-11-23 00:58:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 79 states and 148 transitions. [2021-11-23 00:58:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2021-11-23 00:58:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 152 transitions. [2021-11-23 00:58:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 152 transitions. [2021-11-23 00:58:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 156 transitions. [2021-11-23 00:58:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 156 transitions. [2021-11-23 00:58:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 85 states and 160 transitions. [2021-11-23 00:58:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2021-11-23 00:58:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 87 states and 164 transitions. [2021-11-23 00:58:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 164 transitions. [2021-11-23 00:58:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 89 states and 168 transitions. [2021-11-23 00:58:05,664 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2021-11-23 00:58:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 91 states and 172 transitions. [2021-11-23 00:58:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 172 transitions. [2021-11-23 00:58:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 93 states and 176 transitions. [2021-11-23 00:58:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 176 transitions. [2021-11-23 00:58:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 95 states and 180 transitions. [2021-11-23 00:58:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 180 transitions. [2021-11-23 00:58:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 97 states and 184 transitions. [2021-11-23 00:58:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 184 transitions. [2021-11-23 00:58:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:05,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:05,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 99 states and 188 transitions. [2021-11-23 00:58:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 188 transitions. [2021-11-23 00:58:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 101 states and 192 transitions. [2021-11-23 00:58:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 192 transitions. [2021-11-23 00:58:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 103 states and 196 transitions. [2021-11-23 00:58:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 196 transitions. [2021-11-23 00:58:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 105 states and 200 transitions. [2021-11-23 00:58:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 200 transitions. [2021-11-23 00:58:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 107 states and 204 transitions. [2021-11-23 00:58:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 204 transitions. [2021-11-23 00:58:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 109 states and 208 transitions. [2021-11-23 00:58:06,424 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 208 transitions. [2021-11-23 00:58:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 111 states and 212 transitions. [2021-11-23 00:58:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2021-11-23 00:58:06,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 113 states and 216 transitions. [2021-11-23 00:58:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 216 transitions. [2021-11-23 00:58:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 115 states and 220 transitions. [2021-11-23 00:58:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 220 transitions. [2021-11-23 00:58:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 117 states and 224 transitions. [2021-11-23 00:58:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 224 transitions. [2021-11-23 00:58:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 119 states and 228 transitions. [2021-11-23 00:58:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 228 transitions. [2021-11-23 00:58:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 121 states and 232 transitions. [2021-11-23 00:58:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 232 transitions. [2021-11-23 00:58:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 123 states and 236 transitions. [2021-11-23 00:58:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 236 transitions. [2021-11-23 00:58:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:06,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 125 states and 240 transitions. [2021-11-23 00:58:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2021-11-23 00:58:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:06,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 127 states and 244 transitions. [2021-11-23 00:58:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 244 transitions. [2021-11-23 00:58:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 129 states and 248 transitions. [2021-11-23 00:58:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 248 transitions. [2021-11-23 00:58:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 252 transitions. [2021-11-23 00:58:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2021-11-23 00:58:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 133 states and 256 transitions. [2021-11-23 00:58:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 256 transitions. [2021-11-23 00:58:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 260 transitions. [2021-11-23 00:58:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2021-11-23 00:58:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 137 states and 264 transitions. [2021-11-23 00:58:07,433 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 264 transitions. [2021-11-23 00:58:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 139 states and 268 transitions. [2021-11-23 00:58:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 268 transitions. [2021-11-23 00:58:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 272 transitions. [2021-11-23 00:58:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 272 transitions. [2021-11-23 00:58:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 143 states and 276 transitions. [2021-11-23 00:58:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 276 transitions. [2021-11-23 00:58:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 280 transitions. [2021-11-23 00:58:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 280 transitions. [2021-11-23 00:58:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 147 states and 284 transitions. [2021-11-23 00:58:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2021-11-23 00:58:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 288 transitions. [2021-11-23 00:58:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 288 transitions. [2021-11-23 00:58:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:07,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 151 states and 292 transitions. [2021-11-23 00:58:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2021-11-23 00:58:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:07,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 153 states and 296 transitions. [2021-11-23 00:58:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 296 transitions. [2021-11-23 00:58:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 155 states and 300 transitions. [2021-11-23 00:58:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 300 transitions. [2021-11-23 00:58:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 157 states and 304 transitions. [2021-11-23 00:58:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 304 transitions. [2021-11-23 00:58:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 159 states and 308 transitions. [2021-11-23 00:58:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions. [2021-11-23 00:58:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 312 transitions. [2021-11-23 00:58:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 312 transitions. [2021-11-23 00:58:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 163 states and 316 transitions. [2021-11-23 00:58:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 316 transitions. [2021-11-23 00:58:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 165 states and 320 transitions. [2021-11-23 00:58:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2021-11-23 00:58:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 167 states and 324 transitions. [2021-11-23 00:58:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 324 transitions. [2021-11-23 00:58:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 169 states and 328 transitions. [2021-11-23 00:58:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 328 transitions. [2021-11-23 00:58:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 171 states and 332 transitions. [2021-11-23 00:58:08,689 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 332 transitions. [2021-11-23 00:58:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 173 states and 336 transitions. [2021-11-23 00:58:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2021-11-23 00:58:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 175 states and 340 transitions. [2021-11-23 00:58:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 340 transitions. [2021-11-23 00:58:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 177 states and 344 transitions. [2021-11-23 00:58:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 344 transitions. [2021-11-23 00:58:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 179 states and 348 transitions. [2021-11-23 00:58:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 348 transitions. [2021-11-23 00:58:08,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:08,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:08,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:08,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 181 states and 352 transitions. [2021-11-23 00:58:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 352 transitions. [2021-11-23 00:58:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 183 states and 356 transitions. [2021-11-23 00:58:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 356 transitions. [2021-11-23 00:58:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 185 states and 360 transitions. [2021-11-23 00:58:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 360 transitions. [2021-11-23 00:58:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 187 states and 364 transitions. [2021-11-23 00:58:09,242 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 364 transitions. [2021-11-23 00:58:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 189 states and 368 transitions. [2021-11-23 00:58:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2021-11-23 00:58:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 191 states and 372 transitions. [2021-11-23 00:58:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 372 transitions. [2021-11-23 00:58:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 193 states and 376 transitions. [2021-11-23 00:58:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 376 transitions. [2021-11-23 00:58:09,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 195 states and 380 transitions. [2021-11-23 00:58:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 380 transitions. [2021-11-23 00:58:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 197 states and 384 transitions. [2021-11-23 00:58:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 384 transitions. [2021-11-23 00:58:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 199 states and 388 transitions. [2021-11-23 00:58:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 388 transitions. [2021-11-23 00:58:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 201 states and 392 transitions. [2021-11-23 00:58:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 392 transitions. [2021-11-23 00:58:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 203 states and 396 transitions. [2021-11-23 00:58:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 396 transitions. [2021-11-23 00:58:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 205 states and 400 transitions. [2021-11-23 00:58:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 400 transitions. [2021-11-23 00:58:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:09,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:09,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:09,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:09,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 207 states and 404 transitions. [2021-11-23 00:58:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 404 transitions. [2021-11-23 00:58:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 209 states and 408 transitions. [2021-11-23 00:58:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 408 transitions. [2021-11-23 00:58:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 211 states and 412 transitions. [2021-11-23 00:58:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 412 transitions. [2021-11-23 00:58:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 213 states and 416 transitions. [2021-11-23 00:58:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 416 transitions. [2021-11-23 00:58:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 215 states and 420 transitions. [2021-11-23 00:58:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 420 transitions. [2021-11-23 00:58:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 217 states and 424 transitions. [2021-11-23 00:58:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 424 transitions. [2021-11-23 00:58:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 219 states and 428 transitions. [2021-11-23 00:58:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 428 transitions. [2021-11-23 00:58:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 221 states and 432 transitions. [2021-11-23 00:58:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 432 transitions. [2021-11-23 00:58:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 223 states and 436 transitions. [2021-11-23 00:58:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 436 transitions. [2021-11-23 00:58:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 225 states and 440 transitions. [2021-11-23 00:58:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 440 transitions. [2021-11-23 00:58:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 227 states and 444 transitions. [2021-11-23 00:58:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 444 transitions. [2021-11-23 00:58:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 229 states and 448 transitions. [2021-11-23 00:58:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 448 transitions. [2021-11-23 00:58:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 231 states and 452 transitions. [2021-11-23 00:58:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 452 transitions. [2021-11-23 00:58:10,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 233 states and 456 transitions. [2021-11-23 00:58:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 456 transitions. [2021-11-23 00:58:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:10,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:10,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 235 states and 460 transitions. [2021-11-23 00:58:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 460 transitions. [2021-11-23 00:58:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:10,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:10,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 237 states and 464 transitions. [2021-11-23 00:58:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 464 transitions. [2021-11-23 00:58:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 239 states and 468 transitions. [2021-11-23 00:58:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 468 transitions. [2021-11-23 00:58:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 472 transitions. [2021-11-23 00:58:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 472 transitions. [2021-11-23 00:58:11,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 476 transitions. [2021-11-23 00:58:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 476 transitions. [2021-11-23 00:58:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 480 transitions. [2021-11-23 00:58:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 480 transitions. [2021-11-23 00:58:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 247 states and 484 transitions. [2021-11-23 00:58:11,393 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 484 transitions. [2021-11-23 00:58:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 249 states and 488 transitions. [2021-11-23 00:58:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 488 transitions. [2021-11-23 00:58:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 251 states and 492 transitions. [2021-11-23 00:58:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 492 transitions. [2021-11-23 00:58:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 253 states and 496 transitions. [2021-11-23 00:58:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 496 transitions. [2021-11-23 00:58:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 255 states and 500 transitions. [2021-11-23 00:58:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 500 transitions. [2021-11-23 00:58:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 257 states and 504 transitions. [2021-11-23 00:58:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 504 transitions. [2021-11-23 00:58:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 259 states and 508 transitions. [2021-11-23 00:58:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 508 transitions. [2021-11-23 00:58:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 261 states and 512 transitions. [2021-11-23 00:58:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 512 transitions. [2021-11-23 00:58:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 263 states and 516 transitions. [2021-11-23 00:58:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 516 transitions. [2021-11-23 00:58:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:11,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:11,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:11,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:11,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 265 states and 520 transitions. [2021-11-23 00:58:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 520 transitions. [2021-11-23 00:58:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 267 states and 524 transitions. [2021-11-23 00:58:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 524 transitions. [2021-11-23 00:58:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 269 states and 528 transitions. [2021-11-23 00:58:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 528 transitions. [2021-11-23 00:58:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 271 states and 532 transitions. [2021-11-23 00:58:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 532 transitions. [2021-11-23 00:58:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 273 states and 536 transitions. [2021-11-23 00:58:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 536 transitions. [2021-11-23 00:58:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 275 states and 540 transitions. [2021-11-23 00:58:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 540 transitions. [2021-11-23 00:58:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 277 states and 544 transitions. [2021-11-23 00:58:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 544 transitions. [2021-11-23 00:58:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 279 states and 548 transitions. [2021-11-23 00:58:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 548 transitions. [2021-11-23 00:58:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 281 states and 552 transitions. [2021-11-23 00:58:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 552 transitions. [2021-11-23 00:58:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 283 states and 556 transitions. [2021-11-23 00:58:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 556 transitions. [2021-11-23 00:58:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 285 states and 560 transitions. [2021-11-23 00:58:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 560 transitions. [2021-11-23 00:58:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 287 states and 564 transitions. [2021-11-23 00:58:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 564 transitions. [2021-11-23 00:58:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 289 states and 568 transitions. [2021-11-23 00:58:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 568 transitions. [2021-11-23 00:58:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 291 states and 572 transitions. [2021-11-23 00:58:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 572 transitions. [2021-11-23 00:58:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 293 states and 576 transitions. [2021-11-23 00:58:12,964 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 576 transitions. [2021-11-23 00:58:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:12,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:12,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 295 states and 580 transitions. [2021-11-23 00:58:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 580 transitions. [2021-11-23 00:58:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 297 states and 584 transitions. [2021-11-23 00:58:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 584 transitions. [2021-11-23 00:58:13,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 299 states and 588 transitions. [2021-11-23 00:58:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 588 transitions. [2021-11-23 00:58:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 301 states and 592 transitions. [2021-11-23 00:58:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 592 transitions. [2021-11-23 00:58:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 303 states and 596 transitions. [2021-11-23 00:58:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 596 transitions. [2021-11-23 00:58:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 305 states and 600 transitions. [2021-11-23 00:58:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 600 transitions. [2021-11-23 00:58:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 307 states and 604 transitions. [2021-11-23 00:58:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 604 transitions. [2021-11-23 00:58:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 309 states and 608 transitions. [2021-11-23 00:58:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 608 transitions. [2021-11-23 00:58:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 311 states and 612 transitions. [2021-11-23 00:58:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 612 transitions. [2021-11-23 00:58:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 313 states and 616 transitions. [2021-11-23 00:58:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 616 transitions. [2021-11-23 00:58:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 315 states and 620 transitions. [2021-11-23 00:58:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 620 transitions. [2021-11-23 00:58:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 317 states and 624 transitions. [2021-11-23 00:58:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 624 transitions. [2021-11-23 00:58:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 319 states and 628 transitions. [2021-11-23 00:58:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 628 transitions. [2021-11-23 00:58:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 321 states and 632 transitions. [2021-11-23 00:58:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 632 transitions. [2021-11-23 00:58:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:13,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 323 states and 636 transitions. [2021-11-23 00:58:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 636 transitions. [2021-11-23 00:58:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:13,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 325 states and 640 transitions. [2021-11-23 00:58:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 640 transitions. [2021-11-23 00:58:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 327 states and 644 transitions. [2021-11-23 00:58:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 644 transitions. [2021-11-23 00:58:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 329 states and 648 transitions. [2021-11-23 00:58:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 648 transitions. [2021-11-23 00:58:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 331 states and 652 transitions. [2021-11-23 00:58:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 652 transitions. [2021-11-23 00:58:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 333 states and 656 transitions. [2021-11-23 00:58:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 656 transitions. [2021-11-23 00:58:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 335 states and 660 transitions. [2021-11-23 00:58:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 660 transitions. [2021-11-23 00:58:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 337 states and 664 transitions. [2021-11-23 00:58:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 664 transitions. [2021-11-23 00:58:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 339 states and 668 transitions. [2021-11-23 00:58:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 668 transitions. [2021-11-23 00:58:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 341 states and 672 transitions. [2021-11-23 00:58:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 672 transitions. [2021-11-23 00:58:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 343 states and 676 transitions. [2021-11-23 00:58:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 676 transitions. [2021-11-23 00:58:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 345 states and 680 transitions. [2021-11-23 00:58:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 680 transitions. [2021-11-23 00:58:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 347 states and 684 transitions. [2021-11-23 00:58:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 684 transitions. [2021-11-23 00:58:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 349 states and 688 transitions. [2021-11-23 00:58:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 688 transitions. [2021-11-23 00:58:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 351 states and 692 transitions. [2021-11-23 00:58:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 692 transitions. [2021-11-23 00:58:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:14,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:14,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:14,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 353 states and 696 transitions. [2021-11-23 00:58:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 696 transitions. [2021-11-23 00:58:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 355 states and 700 transitions. [2021-11-23 00:58:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 700 transitions. [2021-11-23 00:58:15,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 357 states and 704 transitions. [2021-11-23 00:58:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 704 transitions. [2021-11-23 00:58:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 359 states and 708 transitions. [2021-11-23 00:58:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 708 transitions. [2021-11-23 00:58:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 361 states and 712 transitions. [2021-11-23 00:58:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 712 transitions. [2021-11-23 00:58:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 363 states and 716 transitions. [2021-11-23 00:58:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 716 transitions. [2021-11-23 00:58:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 365 states and 720 transitions. [2021-11-23 00:58:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 720 transitions. [2021-11-23 00:58:15,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 367 states and 724 transitions. [2021-11-23 00:58:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 724 transitions. [2021-11-23 00:58:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 369 states and 728 transitions. [2021-11-23 00:58:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 728 transitions. [2021-11-23 00:58:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 371 states and 732 transitions. [2021-11-23 00:58:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 732 transitions. [2021-11-23 00:58:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 373 states and 736 transitions. [2021-11-23 00:58:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 736 transitions. [2021-11-23 00:58:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 375 states and 740 transitions. [2021-11-23 00:58:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 740 transitions. [2021-11-23 00:58:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 377 states and 744 transitions. [2021-11-23 00:58:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 744 transitions. [2021-11-23 00:58:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 379 states and 748 transitions. [2021-11-23 00:58:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 748 transitions. [2021-11-23 00:58:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:15,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:15,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 381 states and 752 transitions. [2021-11-23 00:58:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 752 transitions. [2021-11-23 00:58:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 383 states and 756 transitions. [2021-11-23 00:58:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 756 transitions. [2021-11-23 00:58:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 385 states and 760 transitions. [2021-11-23 00:58:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 760 transitions. [2021-11-23 00:58:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 387 states and 764 transitions. [2021-11-23 00:58:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 764 transitions. [2021-11-23 00:58:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 389 states and 768 transitions. [2021-11-23 00:58:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 768 transitions. [2021-11-23 00:58:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 391 states and 772 transitions. [2021-11-23 00:58:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 772 transitions. [2021-11-23 00:58:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 393 states and 776 transitions. [2021-11-23 00:58:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 776 transitions. [2021-11-23 00:58:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 395 states and 780 transitions. [2021-11-23 00:58:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 780 transitions. [2021-11-23 00:58:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 397 states and 784 transitions. [2021-11-23 00:58:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 784 transitions. [2021-11-23 00:58:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 399 states and 788 transitions. [2021-11-23 00:58:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 788 transitions. [2021-11-23 00:58:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 401 states and 792 transitions. [2021-11-23 00:58:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 792 transitions. [2021-11-23 00:58:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 403 states and 796 transitions. [2021-11-23 00:58:16,795 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 796 transitions. [2021-11-23 00:58:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 405 states and 800 transitions. [2021-11-23 00:58:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 800 transitions. [2021-11-23 00:58:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 407 states and 804 transitions. [2021-11-23 00:58:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 804 transitions. [2021-11-23 00:58:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:16,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:16,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:16,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 409 states and 808 transitions. [2021-11-23 00:58:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 808 transitions. [2021-11-23 00:58:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 411 states and 812 transitions. [2021-11-23 00:58:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 812 transitions. [2021-11-23 00:58:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 413 states and 816 transitions. [2021-11-23 00:58:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 816 transitions. [2021-11-23 00:58:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 415 states and 820 transitions. [2021-11-23 00:58:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 820 transitions. [2021-11-23 00:58:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 417 states and 824 transitions. [2021-11-23 00:58:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 824 transitions. [2021-11-23 00:58:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 419 states and 828 transitions. [2021-11-23 00:58:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 828 transitions. [2021-11-23 00:58:17,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 421 states and 832 transitions. [2021-11-23 00:58:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 832 transitions. [2021-11-23 00:58:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 423 states and 836 transitions. [2021-11-23 00:58:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 836 transitions. [2021-11-23 00:58:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 425 states and 840 transitions. [2021-11-23 00:58:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 840 transitions. [2021-11-23 00:58:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 427 states and 844 transitions. [2021-11-23 00:58:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 844 transitions. [2021-11-23 00:58:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 429 states and 848 transitions. [2021-11-23 00:58:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 848 transitions. [2021-11-23 00:58:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 431 states and 852 transitions. [2021-11-23 00:58:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 852 transitions. [2021-11-23 00:58:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 433 states and 856 transitions. [2021-11-23 00:58:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 856 transitions. [2021-11-23 00:58:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 435 states and 860 transitions. [2021-11-23 00:58:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 860 transitions. [2021-11-23 00:58:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:17,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:17,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:17,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 437 states and 864 transitions. [2021-11-23 00:58:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 864 transitions. [2021-11-23 00:58:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 439 states and 868 transitions. [2021-11-23 00:58:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 868 transitions. [2021-11-23 00:58:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 441 states and 872 transitions. [2021-11-23 00:58:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 872 transitions. [2021-11-23 00:58:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 443 states and 876 transitions. [2021-11-23 00:58:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 876 transitions. [2021-11-23 00:58:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 445 states and 880 transitions. [2021-11-23 00:58:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 880 transitions. [2021-11-23 00:58:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 447 states and 884 transitions. [2021-11-23 00:58:18,397 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 884 transitions. [2021-11-23 00:58:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 449 states and 888 transitions. [2021-11-23 00:58:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 888 transitions. [2021-11-23 00:58:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 451 states and 892 transitions. [2021-11-23 00:58:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 892 transitions. [2021-11-23 00:58:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 453 states and 896 transitions. [2021-11-23 00:58:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 896 transitions. [2021-11-23 00:58:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 455 states and 900 transitions. [2021-11-23 00:58:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 900 transitions. [2021-11-23 00:58:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 457 states and 904 transitions. [2021-11-23 00:58:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 904 transitions. [2021-11-23 00:58:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 459 states and 908 transitions. [2021-11-23 00:58:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 908 transitions. [2021-11-23 00:58:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 461 states and 912 transitions. [2021-11-23 00:58:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 912 transitions. [2021-11-23 00:58:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 463 states and 916 transitions. [2021-11-23 00:58:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 916 transitions. [2021-11-23 00:58:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:18,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:18,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 465 states and 920 transitions. [2021-11-23 00:58:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 920 transitions. [2021-11-23 00:58:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 467 states and 924 transitions. [2021-11-23 00:58:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 924 transitions. [2021-11-23 00:58:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 469 states and 928 transitions. [2021-11-23 00:58:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 928 transitions. [2021-11-23 00:58:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 471 states and 932 transitions. [2021-11-23 00:58:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 932 transitions. [2021-11-23 00:58:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 473 states and 936 transitions. [2021-11-23 00:58:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 936 transitions. [2021-11-23 00:58:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 475 states and 940 transitions. [2021-11-23 00:58:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 940 transitions. [2021-11-23 00:58:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 477 states and 944 transitions. [2021-11-23 00:58:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 944 transitions. [2021-11-23 00:58:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 479 states and 948 transitions. [2021-11-23 00:58:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 948 transitions. [2021-11-23 00:58:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 481 states and 952 transitions. [2021-11-23 00:58:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 952 transitions. [2021-11-23 00:58:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 483 states and 956 transitions. [2021-11-23 00:58:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 956 transitions. [2021-11-23 00:58:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 485 states and 960 transitions. [2021-11-23 00:58:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 960 transitions. [2021-11-23 00:58:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 487 states and 964 transitions. [2021-11-23 00:58:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 964 transitions. [2021-11-23 00:58:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:19,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:19,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:19,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 489 states and 968 transitions. [2021-11-23 00:58:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 968 transitions. [2021-11-23 00:58:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 491 states and 972 transitions. [2021-11-23 00:58:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 972 transitions. [2021-11-23 00:58:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 493 states and 976 transitions. [2021-11-23 00:58:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 976 transitions. [2021-11-23 00:58:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 495 states and 980 transitions. [2021-11-23 00:58:20,266 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 980 transitions. [2021-11-23 00:58:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 497 states and 984 transitions. [2021-11-23 00:58:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 984 transitions. [2021-11-23 00:58:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 499 states and 988 transitions. [2021-11-23 00:58:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 988 transitions. [2021-11-23 00:58:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 501 states and 992 transitions. [2021-11-23 00:58:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 992 transitions. [2021-11-23 00:58:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 503 states and 996 transitions. [2021-11-23 00:58:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 996 transitions. [2021-11-23 00:58:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 505 states and 1000 transitions. [2021-11-23 00:58:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1000 transitions. [2021-11-23 00:58:20,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 507 states and 1004 transitions. [2021-11-23 00:58:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1004 transitions. [2021-11-23 00:58:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 509 states and 1008 transitions. [2021-11-23 00:58:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1008 transitions. [2021-11-23 00:58:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 511 states and 1012 transitions. [2021-11-23 00:58:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1012 transitions. [2021-11-23 00:58:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:20,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:20,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 513 states and 1016 transitions. [2021-11-23 00:58:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1016 transitions. [2021-11-23 00:58:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 515 states and 1020 transitions. [2021-11-23 00:58:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1020 transitions. [2021-11-23 00:58:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 517 states and 1024 transitions. [2021-11-23 00:58:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1024 transitions. [2021-11-23 00:58:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 519 states and 1028 transitions. [2021-11-23 00:58:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1028 transitions. [2021-11-23 00:58:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 521 states and 1032 transitions. [2021-11-23 00:58:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1032 transitions. [2021-11-23 00:58:21,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 523 states and 1036 transitions. [2021-11-23 00:58:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1036 transitions. [2021-11-23 00:58:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 525 states and 1040 transitions. [2021-11-23 00:58:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1040 transitions. [2021-11-23 00:58:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 527 states and 1044 transitions. [2021-11-23 00:58:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1044 transitions. [2021-11-23 00:58:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 529 states and 1048 transitions. [2021-11-23 00:58:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1048 transitions. [2021-11-23 00:58:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 531 states and 1052 transitions. [2021-11-23 00:58:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1052 transitions. [2021-11-23 00:58:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 533 states and 1056 transitions. [2021-11-23 00:58:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1056 transitions. [2021-11-23 00:58:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 535 states and 1060 transitions. [2021-11-23 00:58:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1060 transitions. [2021-11-23 00:58:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:21,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 537 states and 1064 transitions. [2021-11-23 00:58:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1064 transitions. [2021-11-23 00:58:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:21,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:21,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 539 states and 1068 transitions. [2021-11-23 00:58:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1068 transitions. [2021-11-23 00:58:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 541 states and 1072 transitions. [2021-11-23 00:58:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1072 transitions. [2021-11-23 00:58:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 543 states and 1076 transitions. [2021-11-23 00:58:22,217 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1076 transitions. [2021-11-23 00:58:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 545 states and 1080 transitions. [2021-11-23 00:58:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1080 transitions. [2021-11-23 00:58:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 547 states and 1084 transitions. [2021-11-23 00:58:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1084 transitions. [2021-11-23 00:58:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 549 states and 1088 transitions. [2021-11-23 00:58:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1088 transitions. [2021-11-23 00:58:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 551 states and 1092 transitions. [2021-11-23 00:58:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1092 transitions. [2021-11-23 00:58:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 553 states and 1096 transitions. [2021-11-23 00:58:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1096 transitions. [2021-11-23 00:58:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 555 states and 1100 transitions. [2021-11-23 00:58:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1100 transitions. [2021-11-23 00:58:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 557 states and 1104 transitions. [2021-11-23 00:58:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1104 transitions. [2021-11-23 00:58:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 559 states and 1108 transitions. [2021-11-23 00:58:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1108 transitions. [2021-11-23 00:58:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 561 states and 1112 transitions. [2021-11-23 00:58:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1112 transitions. [2021-11-23 00:58:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 563 states and 1116 transitions. [2021-11-23 00:58:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1116 transitions. [2021-11-23 00:58:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:22,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:22,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:22,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:22,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 565 states and 1120 transitions. [2021-11-23 00:58:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1120 transitions. [2021-11-23 00:58:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 567 states and 1124 transitions. [2021-11-23 00:58:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1124 transitions. [2021-11-23 00:58:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 569 states and 1128 transitions. [2021-11-23 00:58:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1128 transitions. [2021-11-23 00:58:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 571 states and 1132 transitions. [2021-11-23 00:58:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1132 transitions. [2021-11-23 00:58:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 573 states and 1136 transitions. [2021-11-23 00:58:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1136 transitions. [2021-11-23 00:58:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 575 states and 1140 transitions. [2021-11-23 00:58:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1140 transitions. [2021-11-23 00:58:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 577 states and 1144 transitions. [2021-11-23 00:58:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1144 transitions. [2021-11-23 00:58:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 579 states and 1148 transitions. [2021-11-23 00:58:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1148 transitions. [2021-11-23 00:58:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 581 states and 1152 transitions. [2021-11-23 00:58:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1152 transitions. [2021-11-23 00:58:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 583 states and 1156 transitions. [2021-11-23 00:58:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1156 transitions. [2021-11-23 00:58:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 585 states and 1160 transitions. [2021-11-23 00:58:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1160 transitions. [2021-11-23 00:58:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 587 states and 1164 transitions. [2021-11-23 00:58:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1164 transitions. [2021-11-23 00:58:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:23,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 589 states and 1168 transitions. [2021-11-23 00:58:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1168 transitions. [2021-11-23 00:58:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:23,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 591 states and 1172 transitions. [2021-11-23 00:58:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1172 transitions. [2021-11-23 00:58:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 593 states and 1176 transitions. [2021-11-23 00:58:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1176 transitions. [2021-11-23 00:58:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 595 states and 1180 transitions. [2021-11-23 00:58:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1180 transitions. [2021-11-23 00:58:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 597 states and 1184 transitions. [2021-11-23 00:58:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1184 transitions. [2021-11-23 00:58:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 599 states and 1188 transitions. [2021-11-23 00:58:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1188 transitions. [2021-11-23 00:58:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 601 states and 1192 transitions. [2021-11-23 00:58:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1192 transitions. [2021-11-23 00:58:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 603 states and 1196 transitions. [2021-11-23 00:58:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1196 transitions. [2021-11-23 00:58:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 605 states and 1200 transitions. [2021-11-23 00:58:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1200 transitions. [2021-11-23 00:58:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 607 states and 1204 transitions. [2021-11-23 00:58:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1204 transitions. [2021-11-23 00:58:24,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 609 states and 1208 transitions. [2021-11-23 00:58:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1208 transitions. [2021-11-23 00:58:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 611 states and 1212 transitions. [2021-11-23 00:58:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1212 transitions. [2021-11-23 00:58:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 613 states and 1216 transitions. [2021-11-23 00:58:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1216 transitions. [2021-11-23 00:58:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:24,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:24,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 615 states and 1220 transitions. [2021-11-23 00:58:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1220 transitions. [2021-11-23 00:58:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 617 states and 1224 transitions. [2021-11-23 00:58:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1224 transitions. [2021-11-23 00:58:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 619 states and 1228 transitions. [2021-11-23 00:58:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1228 transitions. [2021-11-23 00:58:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 621 states and 1232 transitions. [2021-11-23 00:58:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1232 transitions. [2021-11-23 00:58:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 623 states and 1236 transitions. [2021-11-23 00:58:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1236 transitions. [2021-11-23 00:58:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 625 states and 1240 transitions. [2021-11-23 00:58:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1240 transitions. [2021-11-23 00:58:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 627 states and 1244 transitions. [2021-11-23 00:58:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1244 transitions. [2021-11-23 00:58:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 629 states and 1248 transitions. [2021-11-23 00:58:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1248 transitions. [2021-11-23 00:58:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 631 states and 1252 transitions. [2021-11-23 00:58:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1252 transitions. [2021-11-23 00:58:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 633 states and 1256 transitions. [2021-11-23 00:58:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1256 transitions. [2021-11-23 00:58:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 635 states and 1260 transitions. [2021-11-23 00:58:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1260 transitions. [2021-11-23 00:58:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 637 states and 1264 transitions. [2021-11-23 00:58:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1264 transitions. [2021-11-23 00:58:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 639 states and 1268 transitions. [2021-11-23 00:58:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1268 transitions. [2021-11-23 00:58:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 641 states and 1272 transitions. [2021-11-23 00:58:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1272 transitions. [2021-11-23 00:58:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:25,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:25,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 643 states and 1276 transitions. [2021-11-23 00:58:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1276 transitions. [2021-11-23 00:58:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 645 states and 1280 transitions. [2021-11-23 00:58:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1280 transitions. [2021-11-23 00:58:26,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 647 states and 1284 transitions. [2021-11-23 00:58:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1284 transitions. [2021-11-23 00:58:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 649 states and 1288 transitions. [2021-11-23 00:58:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1288 transitions. [2021-11-23 00:58:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 651 states and 1292 transitions. [2021-11-23 00:58:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1292 transitions. [2021-11-23 00:58:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 653 states and 1296 transitions. [2021-11-23 00:58:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1296 transitions. [2021-11-23 00:58:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 655 states and 1300 transitions. [2021-11-23 00:58:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1300 transitions. [2021-11-23 00:58:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 657 states and 1304 transitions. [2021-11-23 00:58:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1304 transitions. [2021-11-23 00:58:26,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 659 states and 1308 transitions. [2021-11-23 00:58:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1308 transitions. [2021-11-23 00:58:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 661 states and 1312 transitions. [2021-11-23 00:58:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1312 transitions. [2021-11-23 00:58:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 663 states and 1316 transitions. [2021-11-23 00:58:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1316 transitions. [2021-11-23 00:58:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 665 states and 1320 transitions. [2021-11-23 00:58:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1320 transitions. [2021-11-23 00:58:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 667 states and 1324 transitions. [2021-11-23 00:58:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1324 transitions. [2021-11-23 00:58:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 669 states and 1328 transitions. [2021-11-23 00:58:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1328 transitions. [2021-11-23 00:58:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:26,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:26,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 671 states and 1332 transitions. [2021-11-23 00:58:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1332 transitions. [2021-11-23 00:58:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 673 states and 1336 transitions. [2021-11-23 00:58:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1336 transitions. [2021-11-23 00:58:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 675 states and 1340 transitions. [2021-11-23 00:58:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1340 transitions. [2021-11-23 00:58:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 677 states and 1344 transitions. [2021-11-23 00:58:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1344 transitions. [2021-11-23 00:58:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 679 states and 1348 transitions. [2021-11-23 00:58:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1348 transitions. [2021-11-23 00:58:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 681 states and 1352 transitions. [2021-11-23 00:58:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1352 transitions. [2021-11-23 00:58:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 683 states and 1356 transitions. [2021-11-23 00:58:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1356 transitions. [2021-11-23 00:58:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 685 states and 1360 transitions. [2021-11-23 00:58:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1360 transitions. [2021-11-23 00:58:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 687 states and 1364 transitions. [2021-11-23 00:58:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1364 transitions. [2021-11-23 00:58:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 689 states and 1368 transitions. [2021-11-23 00:58:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1368 transitions. [2021-11-23 00:58:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 691 states and 1372 transitions. [2021-11-23 00:58:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1372 transitions. [2021-11-23 00:58:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 693 states and 1376 transitions. [2021-11-23 00:58:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1376 transitions. [2021-11-23 00:58:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 695 states and 1380 transitions. [2021-11-23 00:58:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1380 transitions. [2021-11-23 00:58:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 697 states and 1384 transitions. [2021-11-23 00:58:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1384 transitions. [2021-11-23 00:58:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:27,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:27,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 699 states and 1388 transitions. [2021-11-23 00:58:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1388 transitions. [2021-11-23 00:58:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 701 states and 1392 transitions. [2021-11-23 00:58:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1392 transitions. [2021-11-23 00:58:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 703 states and 1396 transitions. [2021-11-23 00:58:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1396 transitions. [2021-11-23 00:58:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 705 states and 1400 transitions. [2021-11-23 00:58:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1400 transitions. [2021-11-23 00:58:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 707 states and 1404 transitions. [2021-11-23 00:58:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1404 transitions. [2021-11-23 00:58:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 709 states and 1408 transitions. [2021-11-23 00:58:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1408 transitions. [2021-11-23 00:58:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 711 states and 1412 transitions. [2021-11-23 00:58:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1412 transitions. [2021-11-23 00:58:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 713 states and 1416 transitions. [2021-11-23 00:58:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1416 transitions. [2021-11-23 00:58:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 715 states and 1420 transitions. [2021-11-23 00:58:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1420 transitions. [2021-11-23 00:58:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 717 states and 1424 transitions. [2021-11-23 00:58:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1424 transitions. [2021-11-23 00:58:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 719 states and 1428 transitions. [2021-11-23 00:58:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1428 transitions. [2021-11-23 00:58:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 721 states and 1432 transitions. [2021-11-23 00:58:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1432 transitions. [2021-11-23 00:58:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 723 states and 1436 transitions. [2021-11-23 00:58:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1436 transitions. [2021-11-23 00:58:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 725 states and 1440 transitions. [2021-11-23 00:58:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1440 transitions. [2021-11-23 00:58:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:28,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:28,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:28,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 727 states and 1444 transitions. [2021-11-23 00:58:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1444 transitions. [2021-11-23 00:58:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 729 states and 1448 transitions. [2021-11-23 00:58:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1448 transitions. [2021-11-23 00:58:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 731 states and 1452 transitions. [2021-11-23 00:58:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1452 transitions. [2021-11-23 00:58:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 733 states and 1456 transitions. [2021-11-23 00:58:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1456 transitions. [2021-11-23 00:58:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 735 states and 1460 transitions. [2021-11-23 00:58:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1460 transitions. [2021-11-23 00:58:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 737 states and 1464 transitions. [2021-11-23 00:58:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1464 transitions. [2021-11-23 00:58:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 739 states and 1468 transitions. [2021-11-23 00:58:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1468 transitions. [2021-11-23 00:58:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 741 states and 1472 transitions. [2021-11-23 00:58:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1472 transitions. [2021-11-23 00:58:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 743 states and 1476 transitions. [2021-11-23 00:58:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1476 transitions. [2021-11-23 00:58:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 745 states and 1480 transitions. [2021-11-23 00:58:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1480 transitions. [2021-11-23 00:58:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 747 states and 1484 transitions. [2021-11-23 00:58:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1484 transitions. [2021-11-23 00:58:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 749 states and 1488 transitions. [2021-11-23 00:58:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1488 transitions. [2021-11-23 00:58:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 751 states and 1492 transitions. [2021-11-23 00:58:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1492 transitions. [2021-11-23 00:58:29,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 753 states and 1496 transitions. [2021-11-23 00:58:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1496 transitions. [2021-11-23 00:58:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 755 states and 1500 transitions. [2021-11-23 00:58:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1500 transitions. [2021-11-23 00:58:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:29,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:29,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:29,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:29,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 757 states and 1504 transitions. [2021-11-23 00:58:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1504 transitions. [2021-11-23 00:58:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 759 states and 1508 transitions. [2021-11-23 00:58:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1508 transitions. [2021-11-23 00:58:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 761 states and 1512 transitions. [2021-11-23 00:58:30,167 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1512 transitions. [2021-11-23 00:58:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 763 states and 1516 transitions. [2021-11-23 00:58:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1516 transitions. [2021-11-23 00:58:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 765 states and 1520 transitions. [2021-11-23 00:58:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1520 transitions. [2021-11-23 00:58:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 767 states and 1524 transitions. [2021-11-23 00:58:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1524 transitions. [2021-11-23 00:58:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 769 states and 1528 transitions. [2021-11-23 00:58:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1528 transitions. [2021-11-23 00:58:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 771 states and 1532 transitions. [2021-11-23 00:58:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1532 transitions. [2021-11-23 00:58:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 773 states and 1536 transitions. [2021-11-23 00:58:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1536 transitions. [2021-11-23 00:58:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 775 states and 1540 transitions. [2021-11-23 00:58:30,732 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1540 transitions. [2021-11-23 00:58:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 777 states and 1544 transitions. [2021-11-23 00:58:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1544 transitions. [2021-11-23 00:58:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 779 states and 1548 transitions. [2021-11-23 00:58:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1548 transitions. [2021-11-23 00:58:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 781 states and 1552 transitions. [2021-11-23 00:58:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1552 transitions. [2021-11-23 00:58:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:30,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:30,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:30,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 783 states and 1556 transitions. [2021-11-23 00:58:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1556 transitions. [2021-11-23 00:58:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 785 states and 1560 transitions. [2021-11-23 00:58:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1560 transitions. [2021-11-23 00:58:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 787 states and 1564 transitions. [2021-11-23 00:58:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1564 transitions. [2021-11-23 00:58:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 789 states and 1568 transitions. [2021-11-23 00:58:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1568 transitions. [2021-11-23 00:58:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 791 states and 1572 transitions. [2021-11-23 00:58:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1572 transitions. [2021-11-23 00:58:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 793 states and 1576 transitions. [2021-11-23 00:58:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1576 transitions. [2021-11-23 00:58:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 795 states and 1580 transitions. [2021-11-23 00:58:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1580 transitions. [2021-11-23 00:58:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 797 states and 1584 transitions. [2021-11-23 00:58:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1584 transitions. [2021-11-23 00:58:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 799 states and 1588 transitions. [2021-11-23 00:58:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1588 transitions. [2021-11-23 00:58:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 801 states and 1592 transitions. [2021-11-23 00:58:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1592 transitions. [2021-11-23 00:58:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 803 states and 1596 transitions. [2021-11-23 00:58:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1596 transitions. [2021-11-23 00:58:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 805 states and 1600 transitions. [2021-11-23 00:58:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1600 transitions. [2021-11-23 00:58:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 807 states and 1604 transitions. [2021-11-23 00:58:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1604 transitions. [2021-11-23 00:58:31,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 809 states and 1608 transitions. [2021-11-23 00:58:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1608 transitions. [2021-11-23 00:58:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:31,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:31,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:31,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 811 states and 1612 transitions. [2021-11-23 00:58:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1612 transitions. [2021-11-23 00:58:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 813 states and 1616 transitions. [2021-11-23 00:58:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1616 transitions. [2021-11-23 00:58:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 815 states and 1620 transitions. [2021-11-23 00:58:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1620 transitions. [2021-11-23 00:58:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 817 states and 1624 transitions. [2021-11-23 00:58:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1624 transitions. [2021-11-23 00:58:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 819 states and 1628 transitions. [2021-11-23 00:58:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1628 transitions. [2021-11-23 00:58:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 821 states and 1632 transitions. [2021-11-23 00:58:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1632 transitions. [2021-11-23 00:58:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 823 states and 1636 transitions. [2021-11-23 00:58:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1636 transitions. [2021-11-23 00:58:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 825 states and 1640 transitions. [2021-11-23 00:58:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1640 transitions. [2021-11-23 00:58:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 827 states and 1644 transitions. [2021-11-23 00:58:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1644 transitions. [2021-11-23 00:58:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 829 states and 1648 transitions. [2021-11-23 00:58:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1648 transitions. [2021-11-23 00:58:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 831 states and 1652 transitions. [2021-11-23 00:58:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1652 transitions. [2021-11-23 00:58:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 833 states and 1656 transitions. [2021-11-23 00:58:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1656 transitions. [2021-11-23 00:58:32,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 835 states and 1660 transitions. [2021-11-23 00:58:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1660 transitions. [2021-11-23 00:58:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:32,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:32,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:32,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:32,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 837 states and 1664 transitions. [2021-11-23 00:58:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1664 transitions. [2021-11-23 00:58:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 839 states and 1668 transitions. [2021-11-23 00:58:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1668 transitions. [2021-11-23 00:58:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 841 states and 1672 transitions. [2021-11-23 00:58:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1672 transitions. [2021-11-23 00:58:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 843 states and 1676 transitions. [2021-11-23 00:58:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1676 transitions. [2021-11-23 00:58:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 845 states and 1680 transitions. [2021-11-23 00:58:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1680 transitions. [2021-11-23 00:58:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 847 states and 1684 transitions. [2021-11-23 00:58:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1684 transitions. [2021-11-23 00:58:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 849 states and 1688 transitions. [2021-11-23 00:58:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1688 transitions. [2021-11-23 00:58:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 851 states and 1692 transitions. [2021-11-23 00:58:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1692 transitions. [2021-11-23 00:58:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 853 states and 1696 transitions. [2021-11-23 00:58:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1696 transitions. [2021-11-23 00:58:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 855 states and 1700 transitions. [2021-11-23 00:58:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1700 transitions. [2021-11-23 00:58:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 857 states and 1704 transitions. [2021-11-23 00:58:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1704 transitions. [2021-11-23 00:58:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 859 states and 1708 transitions. [2021-11-23 00:58:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1708 transitions. [2021-11-23 00:58:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 861 states and 1712 transitions. [2021-11-23 00:58:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1712 transitions. [2021-11-23 00:58:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 863 states and 1716 transitions. [2021-11-23 00:58:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1716 transitions. [2021-11-23 00:58:33,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 865 states and 1720 transitions. [2021-11-23 00:58:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1720 transitions. [2021-11-23 00:58:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:33,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:33,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 867 states and 1724 transitions. [2021-11-23 00:58:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1724 transitions. [2021-11-23 00:58:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 869 states and 1728 transitions. [2021-11-23 00:58:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1728 transitions. [2021-11-23 00:58:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 871 states and 1732 transitions. [2021-11-23 00:58:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1732 transitions. [2021-11-23 00:58:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 873 states and 1736 transitions. [2021-11-23 00:58:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1736 transitions. [2021-11-23 00:58:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 875 states and 1740 transitions. [2021-11-23 00:58:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1740 transitions. [2021-11-23 00:58:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 877 states and 1744 transitions. [2021-11-23 00:58:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1744 transitions. [2021-11-23 00:58:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 879 states and 1748 transitions. [2021-11-23 00:58:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1748 transitions. [2021-11-23 00:58:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 881 states and 1752 transitions. [2021-11-23 00:58:34,629 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1752 transitions. [2021-11-23 00:58:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 883 states and 1756 transitions. [2021-11-23 00:58:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1756 transitions. [2021-11-23 00:58:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 885 states and 1760 transitions. [2021-11-23 00:58:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1760 transitions. [2021-11-23 00:58:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 887 states and 1764 transitions. [2021-11-23 00:58:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1764 transitions. [2021-11-23 00:58:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 889 states and 1768 transitions. [2021-11-23 00:58:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1768 transitions. [2021-11-23 00:58:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:34,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:34,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 891 states and 1772 transitions. [2021-11-23 00:58:35,027 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1772 transitions. [2021-11-23 00:58:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 893 states and 1776 transitions. [2021-11-23 00:58:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1776 transitions. [2021-11-23 00:58:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 895 states and 1780 transitions. [2021-11-23 00:58:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1780 transitions. [2021-11-23 00:58:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 897 states and 1784 transitions. [2021-11-23 00:58:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1784 transitions. [2021-11-23 00:58:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 899 states and 1788 transitions. [2021-11-23 00:58:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1788 transitions. [2021-11-23 00:58:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 901 states and 1792 transitions. [2021-11-23 00:58:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1792 transitions. [2021-11-23 00:58:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 903 states and 1796 transitions. [2021-11-23 00:58:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1796 transitions. [2021-11-23 00:58:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 905 states and 1800 transitions. [2021-11-23 00:58:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1800 transitions. [2021-11-23 00:58:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 907 states and 1804 transitions. [2021-11-23 00:58:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1804 transitions. [2021-11-23 00:58:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 909 states and 1808 transitions. [2021-11-23 00:58:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1808 transitions. [2021-11-23 00:58:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 911 states and 1812 transitions. [2021-11-23 00:58:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1812 transitions. [2021-11-23 00:58:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 913 states and 1816 transitions. [2021-11-23 00:58:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1816 transitions. [2021-11-23 00:58:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 915 states and 1820 transitions. [2021-11-23 00:58:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1820 transitions. [2021-11-23 00:58:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 917 states and 1824 transitions. [2021-11-23 00:58:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1824 transitions. [2021-11-23 00:58:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:35,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:35,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:35,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:35,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 919 states and 1828 transitions. [2021-11-23 00:58:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1828 transitions. [2021-11-23 00:58:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 921 states and 1832 transitions. [2021-11-23 00:58:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1832 transitions. [2021-11-23 00:58:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 923 states and 1836 transitions. [2021-11-23 00:58:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1836 transitions. [2021-11-23 00:58:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 925 states and 1840 transitions. [2021-11-23 00:58:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1840 transitions. [2021-11-23 00:58:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 927 states and 1844 transitions. [2021-11-23 00:58:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1844 transitions. [2021-11-23 00:58:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 929 states and 1848 transitions. [2021-11-23 00:58:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1848 transitions. [2021-11-23 00:58:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 931 states and 1852 transitions. [2021-11-23 00:58:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1852 transitions. [2021-11-23 00:58:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 933 states and 1856 transitions. [2021-11-23 00:58:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1856 transitions. [2021-11-23 00:58:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 935 states and 1860 transitions. [2021-11-23 00:58:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1860 transitions. [2021-11-23 00:58:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 937 states and 1864 transitions. [2021-11-23 00:58:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1864 transitions. [2021-11-23 00:58:36,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 939 states and 1868 transitions. [2021-11-23 00:58:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1868 transitions. [2021-11-23 00:58:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 941 states and 1872 transitions. [2021-11-23 00:58:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1872 transitions. [2021-11-23 00:58:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 943 states and 1876 transitions. [2021-11-23 00:58:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1876 transitions. [2021-11-23 00:58:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:36,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:36,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:36,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 945 states and 1880 transitions. [2021-11-23 00:58:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1880 transitions. [2021-11-23 00:58:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 947 states and 1884 transitions. [2021-11-23 00:58:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1884 transitions. [2021-11-23 00:58:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 949 states and 1888 transitions. [2021-11-23 00:58:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1888 transitions. [2021-11-23 00:58:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 951 states and 1892 transitions. [2021-11-23 00:58:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1892 transitions. [2021-11-23 00:58:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 953 states and 1896 transitions. [2021-11-23 00:58:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1896 transitions. [2021-11-23 00:58:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 955 states and 1900 transitions. [2021-11-23 00:58:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1900 transitions. [2021-11-23 00:58:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 957 states and 1904 transitions. [2021-11-23 00:58:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1904 transitions. [2021-11-23 00:58:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 959 states and 1908 transitions. [2021-11-23 00:58:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1908 transitions. [2021-11-23 00:58:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 961 states and 1912 transitions. [2021-11-23 00:58:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1912 transitions. [2021-11-23 00:58:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 963 states and 1916 transitions. [2021-11-23 00:58:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1916 transitions. [2021-11-23 00:58:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 965 states and 1920 transitions. [2021-11-23 00:58:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1920 transitions. [2021-11-23 00:58:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 967 states and 1924 transitions. [2021-11-23 00:58:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1924 transitions. [2021-11-23 00:58:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 969 states and 1928 transitions. [2021-11-23 00:58:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1928 transitions. [2021-11-23 00:58:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 971 states and 1932 transitions. [2021-11-23 00:58:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1932 transitions. [2021-11-23 00:58:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 973 states and 1936 transitions. [2021-11-23 00:58:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1936 transitions. [2021-11-23 00:58:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 975 states and 1940 transitions. [2021-11-23 00:58:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1940 transitions. [2021-11-23 00:58:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 977 states and 1944 transitions. [2021-11-23 00:58:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1944 transitions. [2021-11-23 00:58:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 979 states and 1948 transitions. [2021-11-23 00:58:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1948 transitions. [2021-11-23 00:58:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 981 states and 1952 transitions. [2021-11-23 00:58:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1952 transitions. [2021-11-23 00:58:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 983 states and 1956 transitions. [2021-11-23 00:58:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1956 transitions. [2021-11-23 00:58:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 985 states and 1960 transitions. [2021-11-23 00:58:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1960 transitions. [2021-11-23 00:58:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 987 states and 1964 transitions. [2021-11-23 00:58:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1964 transitions. [2021-11-23 00:58:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 989 states and 1968 transitions. [2021-11-23 00:58:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1968 transitions. [2021-11-23 00:58:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 991 states and 1972 transitions. [2021-11-23 00:58:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1972 transitions. [2021-11-23 00:58:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 993 states and 1976 transitions. [2021-11-23 00:58:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1976 transitions. [2021-11-23 00:58:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 995 states and 1980 transitions. [2021-11-23 00:58:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1980 transitions. [2021-11-23 00:58:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 997 states and 1984 transitions. [2021-11-23 00:58:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1984 transitions. [2021-11-23 00:58:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 999 states and 1988 transitions. [2021-11-23 00:58:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1988 transitions. [2021-11-23 00:58:38,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:38,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1001 states and 1992 transitions. [2021-11-23 00:58:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1992 transitions. [2021-11-23 00:58:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1003 states and 1996 transitions. [2021-11-23 00:58:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1996 transitions. [2021-11-23 00:58:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1005 states and 2000 transitions. [2021-11-23 00:58:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 2000 transitions. [2021-11-23 00:58:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1007 states and 2004 transitions. [2021-11-23 00:58:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 2004 transitions. [2021-11-23 00:58:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1009 states and 2008 transitions. [2021-11-23 00:58:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 2008 transitions. [2021-11-23 00:58:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1011 states and 2012 transitions. [2021-11-23 00:58:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2012 transitions. [2021-11-23 00:58:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1013 states and 2016 transitions. [2021-11-23 00:58:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 2016 transitions. [2021-11-23 00:58:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1015 states and 2020 transitions. [2021-11-23 00:58:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 2020 transitions. [2021-11-23 00:58:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 1017 states and 2024 transitions. [2021-11-23 00:58:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 2024 transitions. [2021-11-23 00:58:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1019 states and 2028 transitions. [2021-11-23 00:58:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2028 transitions. [2021-11-23 00:58:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1021 states and 2032 transitions. [2021-11-23 00:58:39,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 2032 transitions. [2021-11-23 00:58:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1023 states and 2036 transitions. [2021-11-23 00:58:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2036 transitions. [2021-11-23 00:58:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1025 states and 2040 transitions. [2021-11-23 00:58:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 2040 transitions. [2021-11-23 00:58:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1027 states and 2044 transitions. [2021-11-23 00:58:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 2044 transitions. [2021-11-23 00:58:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:39,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:39,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:39,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:39,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1029 states and 2048 transitions. [2021-11-23 00:58:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2048 transitions. [2021-11-23 00:58:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1031 states and 2052 transitions. [2021-11-23 00:58:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2052 transitions. [2021-11-23 00:58:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 1033 states and 2056 transitions. [2021-11-23 00:58:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 2056 transitions. [2021-11-23 00:58:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1035 states and 2060 transitions. [2021-11-23 00:58:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2060 transitions. [2021-11-23 00:58:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1037 states and 2064 transitions. [2021-11-23 00:58:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2064 transitions. [2021-11-23 00:58:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1039 states and 2068 transitions. [2021-11-23 00:58:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2068 transitions. [2021-11-23 00:58:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1041 states and 2072 transitions. [2021-11-23 00:58:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2072 transitions. [2021-11-23 00:58:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1043 states and 2076 transitions. [2021-11-23 00:58:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 2076 transitions. [2021-11-23 00:58:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1045 states and 2080 transitions. [2021-11-23 00:58:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2080 transitions. [2021-11-23 00:58:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1047 states and 2084 transitions. [2021-11-23 00:58:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2084 transitions. [2021-11-23 00:58:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1049 states and 2088 transitions. [2021-11-23 00:58:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 2088 transitions. [2021-11-23 00:58:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1051 states and 2092 transitions. [2021-11-23 00:58:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2092 transitions. [2021-11-23 00:58:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1053 states and 2096 transitions. [2021-11-23 00:58:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2096 transitions. [2021-11-23 00:58:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:40,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1055 states and 2100 transitions. [2021-11-23 00:58:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 2100 transitions. [2021-11-23 00:58:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:40,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:40,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:40,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1057 states and 2104 transitions. [2021-11-23 00:58:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 2104 transitions. [2021-11-23 00:58:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1059 states and 2108 transitions. [2021-11-23 00:58:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 2108 transitions. [2021-11-23 00:58:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1061 states and 2112 transitions. [2021-11-23 00:58:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2112 transitions. [2021-11-23 00:58:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1063 states and 2116 transitions. [2021-11-23 00:58:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2116 transitions. [2021-11-23 00:58:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1065 states and 2120 transitions. [2021-11-23 00:58:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2120 transitions. [2021-11-23 00:58:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1067 states and 2124 transitions. [2021-11-23 00:58:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2124 transitions. [2021-11-23 00:58:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1069 states and 2128 transitions. [2021-11-23 00:58:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 2128 transitions. [2021-11-23 00:58:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1071 states and 2132 transitions. [2021-11-23 00:58:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 2132 transitions. [2021-11-23 00:58:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1073 states and 2136 transitions. [2021-11-23 00:58:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 2136 transitions. [2021-11-23 00:58:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1075 states and 2140 transitions. [2021-11-23 00:58:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2140 transitions. [2021-11-23 00:58:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1077 states and 2144 transitions. [2021-11-23 00:58:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2144 transitions. [2021-11-23 00:58:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1079 states and 2148 transitions. [2021-11-23 00:58:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2148 transitions. [2021-11-23 00:58:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1081 states and 2152 transitions. [2021-11-23 00:58:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2152 transitions. [2021-11-23 00:58:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1083 states and 2156 transitions. [2021-11-23 00:58:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2156 transitions. [2021-11-23 00:58:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:41,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1085 states and 2160 transitions. [2021-11-23 00:58:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 2160 transitions. [2021-11-23 00:58:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:41,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:41,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1087 states and 2164 transitions. [2021-11-23 00:58:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2164 transitions. [2021-11-23 00:58:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1089 states and 2168 transitions. [2021-11-23 00:58:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2168 transitions. [2021-11-23 00:58:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1091 states and 2172 transitions. [2021-11-23 00:58:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2172 transitions. [2021-11-23 00:58:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1093 states and 2176 transitions. [2021-11-23 00:58:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 2176 transitions. [2021-11-23 00:58:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1095 states and 2180 transitions. [2021-11-23 00:58:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2180 transitions. [2021-11-23 00:58:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1097 states and 2184 transitions. [2021-11-23 00:58:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2184 transitions. [2021-11-23 00:58:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1099 states and 2188 transitions. [2021-11-23 00:58:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2188 transitions. [2021-11-23 00:58:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1101 states and 2192 transitions. [2021-11-23 00:58:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2192 transitions. [2021-11-23 00:58:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1103 states and 2196 transitions. [2021-11-23 00:58:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2196 transitions. [2021-11-23 00:58:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1105 states and 2200 transitions. [2021-11-23 00:58:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2200 transitions. [2021-11-23 00:58:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1107 states and 2204 transitions. [2021-11-23 00:58:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2204 transitions. [2021-11-23 00:58:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1109 states and 2208 transitions. [2021-11-23 00:58:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2208 transitions. [2021-11-23 00:58:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1111 states and 2212 transitions. [2021-11-23 00:58:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2212 transitions. [2021-11-23 00:58:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:42,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:42,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:42,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:42,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1113 states and 2216 transitions. [2021-11-23 00:58:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2216 transitions. [2021-11-23 00:58:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1115 states and 2220 transitions. [2021-11-23 00:58:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 2220 transitions. [2021-11-23 00:58:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1117 states and 2224 transitions. [2021-11-23 00:58:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2224 transitions. [2021-11-23 00:58:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1119 states and 2228 transitions. [2021-11-23 00:58:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2228 transitions. [2021-11-23 00:58:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 1121 states and 2232 transitions. [2021-11-23 00:58:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2232 transitions. [2021-11-23 00:58:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1123 states and 2236 transitions. [2021-11-23 00:58:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2236 transitions. [2021-11-23 00:58:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1125 states and 2240 transitions. [2021-11-23 00:58:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2240 transitions. [2021-11-23 00:58:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1127 states and 2244 transitions. [2021-11-23 00:58:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2244 transitions. [2021-11-23 00:58:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1129 states and 2248 transitions. [2021-11-23 00:58:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 2248 transitions. [2021-11-23 00:58:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1131 states and 2252 transitions. [2021-11-23 00:58:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2252 transitions. [2021-11-23 00:58:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1133 states and 2256 transitions. [2021-11-23 00:58:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2256 transitions. [2021-11-23 00:58:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 1135 states and 2260 transitions. [2021-11-23 00:58:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2260 transitions. [2021-11-23 00:58:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1137 states and 2264 transitions. [2021-11-23 00:58:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2264 transitions. [2021-11-23 00:58:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:43,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:43,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:43,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:43,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1139 states and 2268 transitions. [2021-11-23 00:58:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2268 transitions. [2021-11-23 00:58:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1141 states and 2272 transitions. [2021-11-23 00:58:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2272 transitions. [2021-11-23 00:58:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1143 states and 2276 transitions. [2021-11-23 00:58:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2276 transitions. [2021-11-23 00:58:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1145 states and 2280 transitions. [2021-11-23 00:58:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2280 transitions. [2021-11-23 00:58:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1147 states and 2284 transitions. [2021-11-23 00:58:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2284 transitions. [2021-11-23 00:58:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1149 states and 2288 transitions. [2021-11-23 00:58:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2288 transitions. [2021-11-23 00:58:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1151 states and 2292 transitions. [2021-11-23 00:58:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2292 transitions. [2021-11-23 00:58:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1153 states and 2296 transitions. [2021-11-23 00:58:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2296 transitions. [2021-11-23 00:58:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1155 states and 2300 transitions. [2021-11-23 00:58:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2300 transitions. [2021-11-23 00:58:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 1157 states and 2304 transitions. [2021-11-23 00:58:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2304 transitions. [2021-11-23 00:58:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 1159 states and 2308 transitions. [2021-11-23 00:58:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2308 transitions. [2021-11-23 00:58:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1161 states and 2312 transitions. [2021-11-23 00:58:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2312 transitions. [2021-11-23 00:58:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1163 states and 2316 transitions. [2021-11-23 00:58:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2316 transitions. [2021-11-23 00:58:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:44,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1165 states and 2320 transitions. [2021-11-23 00:58:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 2320 transitions. [2021-11-23 00:58:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 1167 states and 2324 transitions. [2021-11-23 00:58:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2324 transitions. [2021-11-23 00:58:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1169 states and 2328 transitions. [2021-11-23 00:58:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2328 transitions. [2021-11-23 00:58:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1171 states and 2332 transitions. [2021-11-23 00:58:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2332 transitions. [2021-11-23 00:58:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1173 states and 2336 transitions. [2021-11-23 00:58:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2336 transitions. [2021-11-23 00:58:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 1175 states and 2340 transitions. [2021-11-23 00:58:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2340 transitions. [2021-11-23 00:58:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1177 states and 2344 transitions. [2021-11-23 00:58:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2344 transitions. [2021-11-23 00:58:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1179 states and 2348 transitions. [2021-11-23 00:58:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2348 transitions. [2021-11-23 00:58:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1181 states and 2352 transitions. [2021-11-23 00:58:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2352 transitions. [2021-11-23 00:58:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 1183 states and 2356 transitions. [2021-11-23 00:58:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2356 transitions. [2021-11-23 00:58:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1185 states and 2360 transitions. [2021-11-23 00:58:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2360 transitions. [2021-11-23 00:58:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1187 states and 2364 transitions. [2021-11-23 00:58:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2364 transitions. [2021-11-23 00:58:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 1189 states and 2368 transitions. [2021-11-23 00:58:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 2368 transitions. [2021-11-23 00:58:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1191 states and 2372 transitions. [2021-11-23 00:58:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2372 transitions. [2021-11-23 00:58:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:45,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:45,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:45,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:45,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1193 states and 2376 transitions. [2021-11-23 00:58:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2376 transitions. [2021-11-23 00:58:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1195 states and 2380 transitions. [2021-11-23 00:58:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2380 transitions. [2021-11-23 00:58:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 1197 states and 2384 transitions. [2021-11-23 00:58:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 2384 transitions. [2021-11-23 00:58:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1199 states and 2388 transitions. [2021-11-23 00:58:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2388 transitions. [2021-11-23 00:58:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1201 states and 2392 transitions. [2021-11-23 00:58:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2392 transitions. [2021-11-23 00:58:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 1203 states and 2396 transitions. [2021-11-23 00:58:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2396 transitions. [2021-11-23 00:58:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 1205 states and 2400 transitions. [2021-11-23 00:58:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 2400 transitions. [2021-11-23 00:58:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1207 states and 2404 transitions. [2021-11-23 00:58:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 2404 transitions. [2021-11-23 00:58:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 1209 states and 2408 transitions. [2021-11-23 00:58:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2408 transitions. [2021-11-23 00:58:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 1211 states and 2412 transitions. [2021-11-23 00:58:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 2412 transitions. [2021-11-23 00:58:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 1213 states and 2416 transitions. [2021-11-23 00:58:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2416 transitions. [2021-11-23 00:58:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 1215 states and 2420 transitions. [2021-11-23 00:58:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2420 transitions. [2021-11-23 00:58:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:46,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 1217 states and 2424 transitions. [2021-11-23 00:58:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 2424 transitions. [2021-11-23 00:58:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 1219 states and 2428 transitions. [2021-11-23 00:58:47,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2428 transitions. [2021-11-23 00:58:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 1221 states and 2432 transitions. [2021-11-23 00:58:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2432 transitions. [2021-11-23 00:58:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 1223 states and 2436 transitions. [2021-11-23 00:58:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 2436 transitions. [2021-11-23 00:58:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 1225 states and 2440 transitions. [2021-11-23 00:58:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 2440 transitions. [2021-11-23 00:58:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 1227 states and 2444 transitions. [2021-11-23 00:58:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2444 transitions. [2021-11-23 00:58:47,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 1229 states and 2448 transitions. [2021-11-23 00:58:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2448 transitions. [2021-11-23 00:58:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1231 states and 2452 transitions. [2021-11-23 00:58:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2452 transitions. [2021-11-23 00:58:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 1233 states and 2456 transitions. [2021-11-23 00:58:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 2456 transitions. [2021-11-23 00:58:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 1235 states and 2460 transitions. [2021-11-23 00:58:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 2460 transitions. [2021-11-23 00:58:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1237 states and 2464 transitions. [2021-11-23 00:58:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 2464 transitions. [2021-11-23 00:58:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 1239 states and 2468 transitions. [2021-11-23 00:58:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2468 transitions. [2021-11-23 00:58:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:47,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:47,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:47,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:47,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 1241 states and 2472 transitions. [2021-11-23 00:58:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 2472 transitions. [2021-11-23 00:58:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 1243 states and 2476 transitions. [2021-11-23 00:58:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2476 transitions. [2021-11-23 00:58:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 1245 states and 2480 transitions. [2021-11-23 00:58:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2480 transitions. [2021-11-23 00:58:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 1247 states and 2484 transitions. [2021-11-23 00:58:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2484 transitions. [2021-11-23 00:58:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 1249 states and 2488 transitions. [2021-11-23 00:58:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 2488 transitions. [2021-11-23 00:58:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 1251 states and 2492 transitions. [2021-11-23 00:58:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 2492 transitions. [2021-11-23 00:58:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 1253 states and 2496 transitions. [2021-11-23 00:58:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2496 transitions. [2021-11-23 00:58:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 1255 states and 2500 transitions. [2021-11-23 00:58:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2500 transitions. [2021-11-23 00:58:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 1257 states and 2504 transitions. [2021-11-23 00:58:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2504 transitions. [2021-11-23 00:58:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1259 states and 2508 transitions. [2021-11-23 00:58:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2508 transitions. [2021-11-23 00:58:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 1261 states and 2512 transitions. [2021-11-23 00:58:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2512 transitions. [2021-11-23 00:58:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 1263 states and 2516 transitions. [2021-11-23 00:58:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2516 transitions. [2021-11-23 00:58:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 1265 states and 2520 transitions. [2021-11-23 00:58:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2520 transitions. [2021-11-23 00:58:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:48,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:48,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:48,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:48,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 1267 states and 2524 transitions. [2021-11-23 00:58:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2524 transitions. [2021-11-23 00:58:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 1269 states and 2528 transitions. [2021-11-23 00:58:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2528 transitions. [2021-11-23 00:58:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 1271 states and 2532 transitions. [2021-11-23 00:58:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2532 transitions. [2021-11-23 00:58:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 1273 states and 2536 transitions. [2021-11-23 00:58:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 2536 transitions. [2021-11-23 00:58:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 1275 states and 2540 transitions. [2021-11-23 00:58:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2540 transitions. [2021-11-23 00:58:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 1277 states and 2544 transitions. [2021-11-23 00:58:49,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 2544 transitions. [2021-11-23 00:58:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 1279 states and 2548 transitions. [2021-11-23 00:58:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2548 transitions. [2021-11-23 00:58:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 1281 states and 2552 transitions. [2021-11-23 00:58:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2552 transitions. [2021-11-23 00:58:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 1283 states and 2556 transitions. [2021-11-23 00:58:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2556 transitions. [2021-11-23 00:58:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 1285 states and 2560 transitions. [2021-11-23 00:58:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2560 transitions. [2021-11-23 00:58:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 1287 states and 2564 transitions. [2021-11-23 00:58:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2564 transitions. [2021-11-23 00:58:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:49,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 1289 states and 2568 transitions. [2021-11-23 00:58:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 2568 transitions. [2021-11-23 00:58:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:49,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:49,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 1291 states and 2572 transitions. [2021-11-23 00:58:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 2572 transitions. [2021-11-23 00:58:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 1293 states and 2576 transitions. [2021-11-23 00:58:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 2576 transitions. [2021-11-23 00:58:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 1295 states and 2580 transitions. [2021-11-23 00:58:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2580 transitions. [2021-11-23 00:58:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 1297 states and 2584 transitions. [2021-11-23 00:58:50,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 2584 transitions. [2021-11-23 00:58:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 1299 states and 2588 transitions. [2021-11-23 00:58:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 2588 transitions. [2021-11-23 00:58:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 1301 states and 2592 transitions. [2021-11-23 00:58:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2592 transitions. [2021-11-23 00:58:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 1303 states and 2596 transitions. [2021-11-23 00:58:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2596 transitions. [2021-11-23 00:58:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 1305 states and 2600 transitions. [2021-11-23 00:58:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 2600 transitions. [2021-11-23 00:58:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 1307 states and 2604 transitions. [2021-11-23 00:58:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2604 transitions. [2021-11-23 00:58:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 1309 states and 2608 transitions. [2021-11-23 00:58:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2608 transitions. [2021-11-23 00:58:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 1311 states and 2612 transitions. [2021-11-23 00:58:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2612 transitions. [2021-11-23 00:58:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 1313 states and 2616 transitions. [2021-11-23 00:58:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 2616 transitions. [2021-11-23 00:58:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:50,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:50,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 1315 states and 2620 transitions. [2021-11-23 00:58:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2620 transitions. [2021-11-23 00:58:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:50,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 1317 states and 2624 transitions. [2021-11-23 00:58:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 2624 transitions. [2021-11-23 00:58:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 1319 states and 2628 transitions. [2021-11-23 00:58:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2628 transitions. [2021-11-23 00:58:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 1321 states and 2632 transitions. [2021-11-23 00:58:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2632 transitions. [2021-11-23 00:58:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 1323 states and 2636 transitions. [2021-11-23 00:58:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 2636 transitions. [2021-11-23 00:58:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 1325 states and 2640 transitions. [2021-11-23 00:58:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 2640 transitions. [2021-11-23 00:58:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 1327 states and 2644 transitions. [2021-11-23 00:58:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 2644 transitions. [2021-11-23 00:58:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 1329 states and 2648 transitions. [2021-11-23 00:58:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2648 transitions. [2021-11-23 00:58:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 1331 states and 2652 transitions. [2021-11-23 00:58:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2652 transitions. [2021-11-23 00:58:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 1333 states and 2656 transitions. [2021-11-23 00:58:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2656 transitions. [2021-11-23 00:58:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 1335 states and 2660 transitions. [2021-11-23 00:58:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2660 transitions. [2021-11-23 00:58:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 1337 states and 2664 transitions. [2021-11-23 00:58:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2664 transitions. [2021-11-23 00:58:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 1339 states and 2668 transitions. [2021-11-23 00:58:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2668 transitions. [2021-11-23 00:58:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:51,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:51,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:51,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:51,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 1341 states and 2672 transitions. [2021-11-23 00:58:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2672 transitions. [2021-11-23 00:58:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 1343 states and 2676 transitions. [2021-11-23 00:58:52,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 2676 transitions. [2021-11-23 00:58:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 1345 states and 2680 transitions. [2021-11-23 00:58:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2680 transitions. [2021-11-23 00:58:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 1347 states and 2684 transitions. [2021-11-23 00:58:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2684 transitions. [2021-11-23 00:58:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 1349 states and 2688 transitions. [2021-11-23 00:58:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2688 transitions. [2021-11-23 00:58:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 1351 states and 2692 transitions. [2021-11-23 00:58:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2692 transitions. [2021-11-23 00:58:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 1353 states and 2696 transitions. [2021-11-23 00:58:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2696 transitions. [2021-11-23 00:58:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 1355 states and 2700 transitions. [2021-11-23 00:58:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2700 transitions. [2021-11-23 00:58:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 1357 states and 2704 transitions. [2021-11-23 00:58:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2704 transitions. [2021-11-23 00:58:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 1359 states and 2708 transitions. [2021-11-23 00:58:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2708 transitions. [2021-11-23 00:58:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:52,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:52,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:52,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1361 states and 2712 transitions. [2021-11-23 00:58:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2712 transitions. [2021-11-23 00:58:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 1363 states and 2716 transitions. [2021-11-23 00:58:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 2716 transitions. [2021-11-23 00:58:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1365 states and 2720 transitions. [2021-11-23 00:58:53,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2720 transitions. [2021-11-23 00:58:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 1367 states and 2724 transitions. [2021-11-23 00:58:53,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2724 transitions. [2021-11-23 00:58:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 1369 states and 2728 transitions. [2021-11-23 00:58:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2728 transitions. [2021-11-23 00:58:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 1371 states and 2732 transitions. [2021-11-23 00:58:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2732 transitions. [2021-11-23 00:58:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 1373 states and 2736 transitions. [2021-11-23 00:58:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2736 transitions. [2021-11-23 00:58:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 1375 states and 2740 transitions. [2021-11-23 00:58:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2740 transitions. [2021-11-23 00:58:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 1377 states and 2744 transitions. [2021-11-23 00:58:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2744 transitions. [2021-11-23 00:58:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 1379 states and 2748 transitions. [2021-11-23 00:58:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2748 transitions. [2021-11-23 00:58:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 1381 states and 2752 transitions. [2021-11-23 00:58:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2752 transitions. [2021-11-23 00:58:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:53,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:53,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 1383 states and 2756 transitions. [2021-11-23 00:58:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2756 transitions. [2021-11-23 00:58:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:53,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:53,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 1385 states and 2760 transitions. [2021-11-23 00:58:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2760 transitions. [2021-11-23 00:58:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 1387 states and 2764 transitions. [2021-11-23 00:58:54,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2764 transitions. [2021-11-23 00:58:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 1389 states and 2768 transitions. [2021-11-23 00:58:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2768 transitions. [2021-11-23 00:58:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 1391 states and 2772 transitions. [2021-11-23 00:58:54,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2772 transitions. [2021-11-23 00:58:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 1393 states and 2776 transitions. [2021-11-23 00:58:54,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2776 transitions. [2021-11-23 00:58:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 1395 states and 2780 transitions. [2021-11-23 00:58:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2780 transitions. [2021-11-23 00:58:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 1397 states and 2784 transitions. [2021-11-23 00:58:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2784 transitions. [2021-11-23 00:58:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 1399 states and 2788 transitions. [2021-11-23 00:58:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2788 transitions. [2021-11-23 00:58:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 1401 states and 2792 transitions. [2021-11-23 00:58:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2792 transitions. [2021-11-23 00:58:54,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1403 states and 2796 transitions. [2021-11-23 00:58:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 2796 transitions. [2021-11-23 00:58:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 1405 states and 2800 transitions. [2021-11-23 00:58:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2800 transitions. [2021-11-23 00:58:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:54,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:54,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:54,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:54,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 1407 states and 2804 transitions. [2021-11-23 00:58:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2804 transitions. [2021-11-23 00:58:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 1409 states and 2808 transitions. [2021-11-23 00:58:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2808 transitions. [2021-11-23 00:58:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 1411 states and 2812 transitions. [2021-11-23 00:58:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2812 transitions. [2021-11-23 00:58:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 1413 states and 2816 transitions. [2021-11-23 00:58:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2816 transitions. [2021-11-23 00:58:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 1415 states and 2820 transitions. [2021-11-23 00:58:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2820 transitions. [2021-11-23 00:58:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 1417 states and 2824 transitions. [2021-11-23 00:58:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2824 transitions. [2021-11-23 00:58:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 1419 states and 2828 transitions. [2021-11-23 00:58:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2828 transitions. [2021-11-23 00:58:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1421 states and 2832 transitions. [2021-11-23 00:58:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2832 transitions. [2021-11-23 00:58:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 1423 states and 2836 transitions. [2021-11-23 00:58:55,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2836 transitions. [2021-11-23 00:58:55,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 1425 states and 2840 transitions. [2021-11-23 00:58:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2840 transitions. [2021-11-23 00:58:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 1427 states and 2844 transitions. [2021-11-23 00:58:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2844 transitions. [2021-11-23 00:58:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 1429 states and 2848 transitions. [2021-11-23 00:58:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2848 transitions. [2021-11-23 00:58:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 1431 states and 2852 transitions. [2021-11-23 00:58:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2852 transitions. [2021-11-23 00:58:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:55,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:55,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:55,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:55,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 1433 states and 2856 transitions. [2021-11-23 00:58:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2856 transitions. [2021-11-23 00:58:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 1435 states and 2860 transitions. [2021-11-23 00:58:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2860 transitions. [2021-11-23 00:58:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 1437 states and 2864 transitions. [2021-11-23 00:58:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2864 transitions. [2021-11-23 00:58:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 1439 states and 2868 transitions. [2021-11-23 00:58:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2868 transitions. [2021-11-23 00:58:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 1441 states and 2872 transitions. [2021-11-23 00:58:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2872 transitions. [2021-11-23 00:58:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 1443 states and 2876 transitions. [2021-11-23 00:58:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2876 transitions. [2021-11-23 00:58:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 1445 states and 2880 transitions. [2021-11-23 00:58:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2880 transitions. [2021-11-23 00:58:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 1447 states and 2884 transitions. [2021-11-23 00:58:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2884 transitions. [2021-11-23 00:58:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 1449 states and 2888 transitions. [2021-11-23 00:58:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2888 transitions. [2021-11-23 00:58:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1451 states and 2892 transitions. [2021-11-23 00:58:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2892 transitions. [2021-11-23 00:58:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:56,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:56,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:56,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 1453 states and 2896 transitions. [2021-11-23 00:58:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2896 transitions. [2021-11-23 00:58:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 1455 states and 2900 transitions. [2021-11-23 00:58:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 2900 transitions. [2021-11-23 00:58:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 1457 states and 2904 transitions. [2021-11-23 00:58:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2904 transitions. [2021-11-23 00:58:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 1459 states and 2908 transitions. [2021-11-23 00:58:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2908 transitions. [2021-11-23 00:58:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 1461 states and 2912 transitions. [2021-11-23 00:58:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2912 transitions. [2021-11-23 00:58:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 1463 states and 2916 transitions. [2021-11-23 00:58:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2916 transitions. [2021-11-23 00:58:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 1465 states and 2920 transitions. [2021-11-23 00:58:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2920 transitions. [2021-11-23 00:58:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 1467 states and 2924 transitions. [2021-11-23 00:58:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2924 transitions. [2021-11-23 00:58:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 1469 states and 2928 transitions. [2021-11-23 00:58:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2928 transitions. [2021-11-23 00:58:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 1471 states and 2932 transitions. [2021-11-23 00:58:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2932 transitions. [2021-11-23 00:58:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:57,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:57,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 1473 states and 2936 transitions. [2021-11-23 00:58:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2936 transitions. [2021-11-23 00:58:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 1475 states and 2940 transitions. [2021-11-23 00:58:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2940 transitions. [2021-11-23 00:58:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 1477 states and 2944 transitions. [2021-11-23 00:58:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2944 transitions. [2021-11-23 00:58:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 1479 states and 2948 transitions. [2021-11-23 00:58:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2948 transitions. [2021-11-23 00:58:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 1481 states and 2952 transitions. [2021-11-23 00:58:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2952 transitions. [2021-11-23 00:58:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 1483 states and 2956 transitions. [2021-11-23 00:58:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2956 transitions. [2021-11-23 00:58:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 1485 states and 2960 transitions. [2021-11-23 00:58:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2960 transitions. [2021-11-23 00:58:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 1487 states and 2964 transitions. [2021-11-23 00:58:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2964 transitions. [2021-11-23 00:58:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 1489 states and 2968 transitions. [2021-11-23 00:58:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2968 transitions. [2021-11-23 00:58:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 1491 states and 2972 transitions. [2021-11-23 00:58:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2972 transitions. [2021-11-23 00:58:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 1493 states and 2976 transitions. [2021-11-23 00:58:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2976 transitions. [2021-11-23 00:58:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 1495 states and 2980 transitions. [2021-11-23 00:58:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2980 transitions. [2021-11-23 00:58:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:58,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:58,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:58,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:58,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 1497 states and 2984 transitions. [2021-11-23 00:58:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2984 transitions. [2021-11-23 00:58:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 1499 states and 2988 transitions. [2021-11-23 00:58:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2988 transitions. [2021-11-23 00:58:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 1501 states and 2992 transitions. [2021-11-23 00:58:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2992 transitions. [2021-11-23 00:58:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 1503 states and 2996 transitions. [2021-11-23 00:58:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2996 transitions. [2021-11-23 00:58:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 1505 states and 3000 transitions. [2021-11-23 00:58:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 3000 transitions. [2021-11-23 00:58:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 1507 states and 3004 transitions. [2021-11-23 00:58:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 3004 transitions. [2021-11-23 00:58:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 1509 states and 3008 transitions. [2021-11-23 00:58:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 3008 transitions. [2021-11-23 00:58:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 1511 states and 3012 transitions. [2021-11-23 00:58:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 3012 transitions. [2021-11-23 00:58:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 1513 states and 3016 transitions. [2021-11-23 00:58:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 3016 transitions. [2021-11-23 00:58:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 1515 states and 3020 transitions. [2021-11-23 00:58:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 3020 transitions. [2021-11-23 00:58:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 1517 states and 3024 transitions. [2021-11-23 00:58:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 3024 transitions. [2021-11-23 00:58:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 1519 states and 3028 transitions. [2021-11-23 00:58:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 3028 transitions. [2021-11-23 00:58:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:59,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:59,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:59,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:59,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 1521 states and 3032 transitions. [2021-11-23 00:59:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 3032 transitions. [2021-11-23 00:59:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1523 states and 3036 transitions. [2021-11-23 00:59:00,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 3036 transitions. [2021-11-23 00:59:00,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 1525 states and 3040 transitions. [2021-11-23 00:59:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 3040 transitions. [2021-11-23 00:59:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 1527 states and 3044 transitions. [2021-11-23 00:59:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 3044 transitions. [2021-11-23 00:59:00,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 1529 states and 3048 transitions. [2021-11-23 00:59:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 3048 transitions. [2021-11-23 00:59:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 1531 states and 3052 transitions. [2021-11-23 00:59:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 3052 transitions. [2021-11-23 00:59:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 1533 states and 3056 transitions. [2021-11-23 00:59:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 3056 transitions. [2021-11-23 00:59:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 1535 states and 3060 transitions. [2021-11-23 00:59:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 3060 transitions. [2021-11-23 00:59:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 1537 states and 3064 transitions. [2021-11-23 00:59:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 3064 transitions. [2021-11-23 00:59:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 1539 states and 3068 transitions. [2021-11-23 00:59:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 3068 transitions. [2021-11-23 00:59:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 1541 states and 3072 transitions. [2021-11-23 00:59:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 3072 transitions. [2021-11-23 00:59:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:00,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 1543 states and 3076 transitions. [2021-11-23 00:59:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 3076 transitions. [2021-11-23 00:59:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:00,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 1545 states and 3080 transitions. [2021-11-23 00:59:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 3080 transitions. [2021-11-23 00:59:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 1547 states and 3084 transitions. [2021-11-23 00:59:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3084 transitions. [2021-11-23 00:59:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 1549 states and 3088 transitions. [2021-11-23 00:59:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 3088 transitions. [2021-11-23 00:59:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 1551 states and 3092 transitions. [2021-11-23 00:59:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 3092 transitions. [2021-11-23 00:59:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 1553 states and 3096 transitions. [2021-11-23 00:59:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 3096 transitions. [2021-11-23 00:59:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 1555 states and 3100 transitions. [2021-11-23 00:59:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 3100 transitions. [2021-11-23 00:59:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 1557 states and 3104 transitions. [2021-11-23 00:59:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 3104 transitions. [2021-11-23 00:59:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 1559 states and 3108 transitions. [2021-11-23 00:59:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 3108 transitions. [2021-11-23 00:59:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 1561 states and 3112 transitions. [2021-11-23 00:59:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 3112 transitions. [2021-11-23 00:59:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 1563 states and 3116 transitions. [2021-11-23 00:59:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 3116 transitions. [2021-11-23 00:59:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:01,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:01,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:01,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:01,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 1565 states and 3120 transitions. [2021-11-23 00:59:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 3120 transitions. [2021-11-23 00:59:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 1567 states and 3124 transitions. [2021-11-23 00:59:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 3124 transitions. [2021-11-23 00:59:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 1569 states and 3128 transitions. [2021-11-23 00:59:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 3128 transitions. [2021-11-23 00:59:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 1571 states and 3132 transitions. [2021-11-23 00:59:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 3132 transitions. [2021-11-23 00:59:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 1573 states and 3136 transitions. [2021-11-23 00:59:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 3136 transitions. [2021-11-23 00:59:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1575 states and 3140 transitions. [2021-11-23 00:59:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3140 transitions. [2021-11-23 00:59:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 1577 states and 3144 transitions. [2021-11-23 00:59:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 3144 transitions. [2021-11-23 00:59:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 1579 states and 3148 transitions. [2021-11-23 00:59:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 3148 transitions. [2021-11-23 00:59:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 1581 states and 3152 transitions. [2021-11-23 00:59:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 3152 transitions. [2021-11-23 00:59:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 1583 states and 3156 transitions. [2021-11-23 00:59:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 3156 transitions. [2021-11-23 00:59:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 1585 states and 3160 transitions. [2021-11-23 00:59:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 3160 transitions. [2021-11-23 00:59:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 1587 states and 3164 transitions. [2021-11-23 00:59:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 3164 transitions. [2021-11-23 00:59:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:02,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:02,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:02,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 1589 states and 3168 transitions. [2021-11-23 00:59:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 3168 transitions. [2021-11-23 00:59:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 1591 states and 3172 transitions. [2021-11-23 00:59:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 3172 transitions. [2021-11-23 00:59:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 1593 states and 3176 transitions. [2021-11-23 00:59:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 3176 transitions. [2021-11-23 00:59:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 1595 states and 3180 transitions. [2021-11-23 00:59:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 3180 transitions. [2021-11-23 00:59:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 1597 states and 3184 transitions. [2021-11-23 00:59:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 3184 transitions. [2021-11-23 00:59:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 1599 states and 3188 transitions. [2021-11-23 00:59:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 3188 transitions. [2021-11-23 00:59:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:03,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:03,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 1601 states and 3192 transitions. [2021-11-23 00:59:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 3192 transitions. [2021-11-23 00:59:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:03,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:03,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 01:02:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:23,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:23,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9472 states to 4741 states and 9472 transitions. [2021-11-23 01:02:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4741 states and 9472 transitions. [2021-11-23 01:02:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:23,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:23,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:23,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:23,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9476 states to 4743 states and 9476 transitions. [2021-11-23 01:02:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 9476 transitions. [2021-11-23 01:02:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:23,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:23,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:23,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:23,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9480 states to 4745 states and 9480 transitions. [2021-11-23 01:02:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4745 states and 9480 transitions. [2021-11-23 01:02:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9484 states to 4747 states and 9484 transitions. [2021-11-23 01:02:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4747 states and 9484 transitions. [2021-11-23 01:02:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9488 states to 4749 states and 9488 transitions. [2021-11-23 01:02:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 9488 transitions. [2021-11-23 01:02:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9492 states to 4751 states and 9492 transitions. [2021-11-23 01:02:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 4751 states and 9492 transitions. [2021-11-23 01:02:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9496 states to 4753 states and 9496 transitions. [2021-11-23 01:02:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4753 states and 9496 transitions. [2021-11-23 01:02:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9500 states to 4755 states and 9500 transitions. [2021-11-23 01:02:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4755 states and 9500 transitions. [2021-11-23 01:02:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:24,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9504 states to 4757 states and 9504 transitions. [2021-11-23 01:02:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4757 states and 9504 transitions. [2021-11-23 01:02:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:25,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9508 states to 4759 states and 9508 transitions. [2021-11-23 01:02:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 9508 transitions. [2021-11-23 01:02:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:25,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9512 states to 4761 states and 9512 transitions. [2021-11-23 01:02:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4761 states and 9512 transitions. [2021-11-23 01:02:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:25,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9516 states to 4763 states and 9516 transitions. [2021-11-23 01:02:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4763 states and 9516 transitions. [2021-11-23 01:02:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:25,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9520 states to 4765 states and 9520 transitions. [2021-11-23 01:02:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 4765 states and 9520 transitions. [2021-11-23 01:02:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:25,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9524 states to 4767 states and 9524 transitions. [2021-11-23 01:02:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 9524 transitions. [2021-11-23 01:02:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9528 states to 4769 states and 9528 transitions. [2021-11-23 01:02:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 9528 transitions. [2021-11-23 01:02:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9532 states to 4771 states and 9532 transitions. [2021-11-23 01:02:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4771 states and 9532 transitions. [2021-11-23 01:02:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9536 states to 4773 states and 9536 transitions. [2021-11-23 01:02:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4773 states and 9536 transitions. [2021-11-23 01:02:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9540 states to 4775 states and 9540 transitions. [2021-11-23 01:02:26,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 9540 transitions. [2021-11-23 01:02:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9544 states to 4777 states and 9544 transitions. [2021-11-23 01:02:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 9544 transitions. [2021-11-23 01:02:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:26,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9548 states to 4779 states and 9548 transitions. [2021-11-23 01:02:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4779 states and 9548 transitions. [2021-11-23 01:02:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:27,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9552 states to 4781 states and 9552 transitions. [2021-11-23 01:02:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4781 states and 9552 transitions. [2021-11-23 01:02:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:27,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9556 states to 4783 states and 9556 transitions. [2021-11-23 01:02:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 4783 states and 9556 transitions. [2021-11-23 01:02:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:27,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9560 states to 4785 states and 9560 transitions. [2021-11-23 01:02:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4785 states and 9560 transitions. [2021-11-23 01:02:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:27,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9564 states to 4787 states and 9564 transitions. [2021-11-23 01:02:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 9564 transitions. [2021-11-23 01:02:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:27,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9568 states to 4789 states and 9568 transitions. [2021-11-23 01:02:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 9568 transitions. [2021-11-23 01:02:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9572 states to 4791 states and 9572 transitions. [2021-11-23 01:02:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 9572 transitions. [2021-11-23 01:02:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9576 states to 4793 states and 9576 transitions. [2021-11-23 01:02:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4793 states and 9576 transitions. [2021-11-23 01:02:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9580 states to 4795 states and 9580 transitions. [2021-11-23 01:02:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4795 states and 9580 transitions. [2021-11-23 01:02:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9584 states to 4797 states and 9584 transitions. [2021-11-23 01:02:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4797 states and 9584 transitions. [2021-11-23 01:02:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9588 states to 4799 states and 9588 transitions. [2021-11-23 01:02:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 9588 transitions. [2021-11-23 01:02:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:28,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9592 states to 4801 states and 9592 transitions. [2021-11-23 01:02:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4801 states and 9592 transitions. [2021-11-23 01:02:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:29,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:29,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9596 states to 4803 states and 9596 transitions. [2021-11-23 01:02:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 4803 states and 9596 transitions. [2021-11-23 01:02:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:29,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:29,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9600 states to 4805 states and 9600 transitions. [2021-11-23 01:02:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4805 states and 9600 transitions. [2021-11-23 01:02:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:29,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:29,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9604 states to 4807 states and 9604 transitions. [2021-11-23 01:02:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 9604 transitions. [2021-11-23 01:02:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:29,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:29,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9608 states to 4809 states and 9608 transitions. [2021-11-23 01:02:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 9608 transitions. [2021-11-23 01:02:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:29,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:29,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9612 states to 4811 states and 9612 transitions. [2021-11-23 01:02:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4811 states and 9612 transitions. [2021-11-23 01:02:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9616 states to 4813 states and 9616 transitions. [2021-11-23 01:02:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4813 states and 9616 transitions. [2021-11-23 01:02:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 4815 states and 9620 transitions. [2021-11-23 01:02:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4815 states and 9620 transitions. [2021-11-23 01:02:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 4817 states and 9624 transitions. [2021-11-23 01:02:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 9624 transitions. [2021-11-23 01:02:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 4819 states and 9628 transitions. [2021-11-23 01:02:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 9628 transitions. [2021-11-23 01:02:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:30,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 4821 states and 9632 transitions. [2021-11-23 01:02:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 9632 transitions. [2021-11-23 01:02:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:31,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9636 states to 4823 states and 9636 transitions. [2021-11-23 01:02:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4823 states and 9636 transitions. [2021-11-23 01:02:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:31,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9640 states to 4825 states and 9640 transitions. [2021-11-23 01:02:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4825 states and 9640 transitions. [2021-11-23 01:02:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:31,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9644 states to 4827 states and 9644 transitions. [2021-11-23 01:02:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4827 states and 9644 transitions. [2021-11-23 01:02:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:31,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:31,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9648 states to 4829 states and 9648 transitions. [2021-11-23 01:02:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 9648 transitions. [2021-11-23 01:02:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9652 states to 4831 states and 9652 transitions. [2021-11-23 01:02:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 9652 transitions. [2021-11-23 01:02:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9656 states to 4833 states and 9656 transitions. [2021-11-23 01:02:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 9656 transitions. [2021-11-23 01:02:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9660 states to 4835 states and 9660 transitions. [2021-11-23 01:02:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 9660 transitions. [2021-11-23 01:02:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9664 states to 4837 states and 9664 transitions. [2021-11-23 01:02:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 9664 transitions. [2021-11-23 01:02:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:32,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9668 states to 4839 states and 9668 transitions. [2021-11-23 01:02:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 9668 transitions. [2021-11-23 01:02:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:33,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:33,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 4841 states and 9672 transitions. [2021-11-23 01:02:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 9672 transitions. [2021-11-23 01:02:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:33,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:33,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9676 states to 4843 states and 9676 transitions. [2021-11-23 01:02:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 9676 transitions. [2021-11-23 01:02:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:33,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:33,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9680 states to 4845 states and 9680 transitions. [2021-11-23 01:02:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4845 states and 9680 transitions. [2021-11-23 01:02:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:33,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:33,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9684 states to 4847 states and 9684 transitions. [2021-11-23 01:02:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 9684 transitions. [2021-11-23 01:02:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:33,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:33,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:33,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:33,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9688 states to 4849 states and 9688 transitions. [2021-11-23 01:02:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4849 states and 9688 transitions. [2021-11-23 01:02:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9692 states to 4851 states and 9692 transitions. [2021-11-23 01:02:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 9692 transitions. [2021-11-23 01:02:34,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9696 states to 4853 states and 9696 transitions. [2021-11-23 01:02:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 9696 transitions. [2021-11-23 01:02:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9700 states to 4855 states and 9700 transitions. [2021-11-23 01:02:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 9700 transitions. [2021-11-23 01:02:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9704 states to 4857 states and 9704 transitions. [2021-11-23 01:02:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 9704 transitions. [2021-11-23 01:02:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:34,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9708 states to 4859 states and 9708 transitions. [2021-11-23 01:02:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4859 states and 9708 transitions. [2021-11-23 01:02:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:35,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:35,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:35,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9712 states to 4861 states and 9712 transitions. [2021-11-23 01:02:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 9712 transitions. [2021-11-23 01:02:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:35,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:35,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:35,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9716 states to 4863 states and 9716 transitions. [2021-11-23 01:02:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4863 states and 9716 transitions. [2021-11-23 01:02:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:35,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:35,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:35,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9720 states to 4865 states and 9720 transitions. [2021-11-23 01:02:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 9720 transitions. [2021-11-23 01:02:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:35,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:35,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:35,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9724 states to 4867 states and 9724 transitions. [2021-11-23 01:02:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 9724 transitions. [2021-11-23 01:02:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:35,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:35,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:35,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:35,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9728 states to 4869 states and 9728 transitions. [2021-11-23 01:02:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 4869 states and 9728 transitions. [2021-11-23 01:02:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:36,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:36,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:36,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9732 states to 4871 states and 9732 transitions. [2021-11-23 01:02:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4871 states and 9732 transitions. [2021-11-23 01:02:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:36,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:36,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:36,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9736 states to 4873 states and 9736 transitions. [2021-11-23 01:02:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 9736 transitions. [2021-11-23 01:02:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:36,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:36,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:36,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9740 states to 4875 states and 9740 transitions. [2021-11-23 01:02:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 9740 transitions. [2021-11-23 01:02:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:36,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:36,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9744 states to 4877 states and 9744 transitions. [2021-11-23 01:02:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 9744 transitions. [2021-11-23 01:02:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9748 states to 4879 states and 9748 transitions. [2021-11-23 01:02:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 9748 transitions. [2021-11-23 01:02:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9752 states to 4881 states and 9752 transitions. [2021-11-23 01:02:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4881 states and 9752 transitions. [2021-11-23 01:02:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9756 states to 4883 states and 9756 transitions. [2021-11-23 01:02:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 9756 transitions. [2021-11-23 01:02:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9760 states to 4885 states and 9760 transitions. [2021-11-23 01:02:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 9760 transitions. [2021-11-23 01:02:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9764 states to 4887 states and 9764 transitions. [2021-11-23 01:02:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4887 states and 9764 transitions. [2021-11-23 01:02:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:37,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9768 states to 4889 states and 9768 transitions. [2021-11-23 01:02:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 4889 states and 9768 transitions. [2021-11-23 01:02:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:38,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9772 states to 4891 states and 9772 transitions. [2021-11-23 01:02:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4891 states and 9772 transitions. [2021-11-23 01:02:38,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:38,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9776 states to 4893 states and 9776 transitions. [2021-11-23 01:02:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 9776 transitions. [2021-11-23 01:02:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:38,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9780 states to 4895 states and 9780 transitions. [2021-11-23 01:02:38,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 9780 transitions. [2021-11-23 01:02:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:38,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9784 states to 4897 states and 9784 transitions. [2021-11-23 01:02:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 9784 transitions. [2021-11-23 01:02:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:38,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9788 states to 4899 states and 9788 transitions. [2021-11-23 01:02:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 9788 transitions. [2021-11-23 01:02:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:39,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:39,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:39,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9792 states to 4901 states and 9792 transitions. [2021-11-23 01:02:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 9792 transitions. [2021-11-23 01:02:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:39,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:39,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:39,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 4903 states and 9796 transitions. [2021-11-23 01:02:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4903 states and 9796 transitions. [2021-11-23 01:02:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:39,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:39,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:39,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 4905 states and 9800 transitions. [2021-11-23 01:02:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 9800 transitions. [2021-11-23 01:02:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:39,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:39,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:39,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 4907 states and 9804 transitions. [2021-11-23 01:02:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 9804 transitions. [2021-11-23 01:02:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:39,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:39,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:39,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:39,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9808 states to 4909 states and 9808 transitions. [2021-11-23 01:02:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 9808 transitions. [2021-11-23 01:02:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:40,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9812 states to 4911 states and 9812 transitions. [2021-11-23 01:02:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 4911 states and 9812 transitions. [2021-11-23 01:02:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:40,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9816 states to 4913 states and 9816 transitions. [2021-11-23 01:02:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4913 states and 9816 transitions. [2021-11-23 01:02:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:40,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 4915 states and 9820 transitions. [2021-11-23 01:02:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 9820 transitions. [2021-11-23 01:02:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:40,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 4917 states and 9824 transitions. [2021-11-23 01:02:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 9824 transitions. [2021-11-23 01:02:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:40,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9828 states to 4919 states and 9828 transitions. [2021-11-23 01:02:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 9828 transitions. [2021-11-23 01:02:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:41,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:41,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:41,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 4921 states and 9832 transitions. [2021-11-23 01:02:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 9832 transitions. [2021-11-23 01:02:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:41,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:41,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:41,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9836 states to 4923 states and 9836 transitions. [2021-11-23 01:02:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 9836 transitions. [2021-11-23 01:02:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:41,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:41,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:41,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 4925 states and 9840 transitions. [2021-11-23 01:02:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 9840 transitions. [2021-11-23 01:02:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:41,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:41,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:41,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9844 states to 4927 states and 9844 transitions. [2021-11-23 01:02:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 9844 transitions. [2021-11-23 01:02:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:41,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:41,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:41,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:41,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9848 states to 4929 states and 9848 transitions. [2021-11-23 01:02:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 9848 transitions. [2021-11-23 01:02:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:42,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9852 states to 4931 states and 9852 transitions. [2021-11-23 01:02:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4931 states and 9852 transitions. [2021-11-23 01:02:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:42,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9856 states to 4933 states and 9856 transitions. [2021-11-23 01:02:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 4933 states and 9856 transitions. [2021-11-23 01:02:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:42,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9860 states to 4935 states and 9860 transitions. [2021-11-23 01:02:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4935 states and 9860 transitions. [2021-11-23 01:02:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:42,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9864 states to 4937 states and 9864 transitions. [2021-11-23 01:02:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 9864 transitions. [2021-11-23 01:02:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:42,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9868 states to 4939 states and 9868 transitions. [2021-11-23 01:02:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 9868 transitions. [2021-11-23 01:02:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:43,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:43,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9872 states to 4941 states and 9872 transitions. [2021-11-23 01:02:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 9872 transitions. [2021-11-23 01:02:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:43,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:43,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9876 states to 4943 states and 9876 transitions. [2021-11-23 01:02:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 9876 transitions. [2021-11-23 01:02:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:43,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:43,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9880 states to 4945 states and 9880 transitions. [2021-11-23 01:02:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4945 states and 9880 transitions. [2021-11-23 01:02:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:43,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:43,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9884 states to 4947 states and 9884 transitions. [2021-11-23 01:02:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4947 states and 9884 transitions. [2021-11-23 01:02:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:43,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:43,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9888 states to 4949 states and 9888 transitions. [2021-11-23 01:02:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 9888 transitions. [2021-11-23 01:02:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:44,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 4951 states and 9892 transitions. [2021-11-23 01:02:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4951 states and 9892 transitions. [2021-11-23 01:02:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:44,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9896 states to 4953 states and 9896 transitions. [2021-11-23 01:02:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 9896 transitions. [2021-11-23 01:02:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:44,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9900 states to 4955 states and 9900 transitions. [2021-11-23 01:02:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 4955 states and 9900 transitions. [2021-11-23 01:02:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:44,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9904 states to 4957 states and 9904 transitions. [2021-11-23 01:02:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 9904 transitions. [2021-11-23 01:02:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:44,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9908 states to 4959 states and 9908 transitions. [2021-11-23 01:02:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 9908 transitions. [2021-11-23 01:02:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:45,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9912 states to 4961 states and 9912 transitions. [2021-11-23 01:02:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 9912 transitions. [2021-11-23 01:02:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:45,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9916 states to 4963 states and 9916 transitions. [2021-11-23 01:02:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4963 states and 9916 transitions. [2021-11-23 01:02:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:45,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9920 states to 4965 states and 9920 transitions. [2021-11-23 01:02:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 9920 transitions. [2021-11-23 01:02:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:45,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9924 states to 4967 states and 9924 transitions. [2021-11-23 01:02:45,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4967 states and 9924 transitions. [2021-11-23 01:02:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:45,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9928 states to 4969 states and 9928 transitions. [2021-11-23 01:02:46,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4969 states and 9928 transitions. [2021-11-23 01:02:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:46,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9932 states to 4971 states and 9932 transitions. [2021-11-23 01:02:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 4971 states and 9932 transitions. [2021-11-23 01:02:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:46,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9936 states to 4973 states and 9936 transitions. [2021-11-23 01:02:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4973 states and 9936 transitions. [2021-11-23 01:02:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:46,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9940 states to 4975 states and 9940 transitions. [2021-11-23 01:02:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4975 states and 9940 transitions. [2021-11-23 01:02:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:46,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9944 states to 4977 states and 9944 transitions. [2021-11-23 01:02:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 9944 transitions. [2021-11-23 01:02:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:47,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:47,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:47,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9948 states to 4979 states and 9948 transitions. [2021-11-23 01:02:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4979 states and 9948 transitions. [2021-11-23 01:02:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:47,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:47,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:47,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9952 states to 4981 states and 9952 transitions. [2021-11-23 01:02:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 9952 transitions. [2021-11-23 01:02:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:47,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:47,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:47,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9956 states to 4983 states and 9956 transitions. [2021-11-23 01:02:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4983 states and 9956 transitions. [2021-11-23 01:02:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:47,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:47,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:47,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 4985 states and 9960 transitions. [2021-11-23 01:02:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 4985 states and 9960 transitions. [2021-11-23 01:02:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:48,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:48,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9964 states to 4987 states and 9964 transitions. [2021-11-23 01:02:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4987 states and 9964 transitions. [2021-11-23 01:02:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:48,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:48,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 4989 states and 9968 transitions. [2021-11-23 01:02:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 9968 transitions. [2021-11-23 01:02:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:48,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:48,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9972 states to 4991 states and 9972 transitions. [2021-11-23 01:02:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 9972 transitions. [2021-11-23 01:02:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:48,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:48,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 4993 states and 9976 transitions. [2021-11-23 01:02:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 9976 transitions. [2021-11-23 01:02:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:48,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:48,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9980 states to 4995 states and 9980 transitions. [2021-11-23 01:02:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 9980 transitions. [2021-11-23 01:02:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9984 states to 4997 states and 9984 transitions. [2021-11-23 01:02:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 9984 transitions. [2021-11-23 01:02:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9988 states to 4999 states and 9988 transitions. [2021-11-23 01:02:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 9988 transitions. [2021-11-23 01:02:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9992 states to 5001 states and 9992 transitions. [2021-11-23 01:02:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 9992 transitions. [2021-11-23 01:02:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9996 states to 5003 states and 9996 transitions. [2021-11-23 01:02:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 5003 states and 9996 transitions. [2021-11-23 01:02:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10000 states to 5005 states and 10000 transitions. [2021-11-23 01:02:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5005 states and 10000 transitions. [2021-11-23 01:02:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:49,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10004 states to 5007 states and 10004 transitions. [2021-11-23 01:02:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5007 states and 10004 transitions. [2021-11-23 01:02:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:50,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 5009 states and 10008 transitions. [2021-11-23 01:02:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 10008 transitions. [2021-11-23 01:02:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:50,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 5011 states and 10012 transitions. [2021-11-23 01:02:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 10012 transitions. [2021-11-23 01:02:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:50,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 5013 states and 10016 transitions. [2021-11-23 01:02:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 5013 states and 10016 transitions. [2021-11-23 01:02:50,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:50,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10020 states to 5015 states and 10020 transitions. [2021-11-23 01:02:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 10020 transitions. [2021-11-23 01:02:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:50,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 5017 states and 10024 transitions. [2021-11-23 01:02:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 10024 transitions. [2021-11-23 01:02:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 5019 states and 10028 transitions. [2021-11-23 01:02:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 10028 transitions. [2021-11-23 01:02:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 5021 states and 10032 transitions. [2021-11-23 01:02:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 10032 transitions. [2021-11-23 01:02:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10036 states to 5023 states and 10036 transitions. [2021-11-23 01:02:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5023 states and 10036 transitions. [2021-11-23 01:02:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 5025 states and 10040 transitions. [2021-11-23 01:02:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 10040 transitions. [2021-11-23 01:02:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10044 states to 5027 states and 10044 transitions. [2021-11-23 01:02:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5027 states and 10044 transitions. [2021-11-23 01:02:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:51,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10048 states to 5029 states and 10048 transitions. [2021-11-23 01:02:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 10048 transitions. [2021-11-23 01:02:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:52,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 5031 states and 10052 transitions. [2021-11-23 01:02:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 10052 transitions. [2021-11-23 01:02:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:52,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 5033 states and 10056 transitions. [2021-11-23 01:02:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 10056 transitions. [2021-11-23 01:02:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:52,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10060 states to 5035 states and 10060 transitions. [2021-11-23 01:02:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 10060 transitions. [2021-11-23 01:02:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:52,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 5037 states and 10064 transitions. [2021-11-23 01:02:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5037 states and 10064 transitions. [2021-11-23 01:02:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:52,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:52,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:52,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:52,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 5039 states and 10068 transitions. [2021-11-23 01:02:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5039 states and 10068 transitions. [2021-11-23 01:02:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:53,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10072 states to 5041 states and 10072 transitions. [2021-11-23 01:02:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 10072 transitions. [2021-11-23 01:02:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:53,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10076 states to 5043 states and 10076 transitions. [2021-11-23 01:02:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 10076 transitions. [2021-11-23 01:02:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:53,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10080 states to 5045 states and 10080 transitions. [2021-11-23 01:02:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 10080 transitions. [2021-11-23 01:02:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:53,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10084 states to 5047 states and 10084 transitions. [2021-11-23 01:02:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 10084 transitions. [2021-11-23 01:02:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:53,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10088 states to 5049 states and 10088 transitions. [2021-11-23 01:02:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5049 states and 10088 transitions. [2021-11-23 01:02:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:54,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10092 states to 5051 states and 10092 transitions. [2021-11-23 01:02:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5051 states and 10092 transitions. [2021-11-23 01:02:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:54,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10096 states to 5053 states and 10096 transitions. [2021-11-23 01:02:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 5053 states and 10096 transitions. [2021-11-23 01:02:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:54,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10100 states to 5055 states and 10100 transitions. [2021-11-23 01:02:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 10100 transitions. [2021-11-23 01:02:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:54,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10104 states to 5057 states and 10104 transitions. [2021-11-23 01:02:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 10104 transitions. [2021-11-23 01:02:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:54,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:54,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10108 states to 5059 states and 10108 transitions. [2021-11-23 01:02:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5059 states and 10108 transitions. [2021-11-23 01:02:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:54,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:54,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 5061 states and 10112 transitions. [2021-11-23 01:02:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 10112 transitions. [2021-11-23 01:02:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:55,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10116 states to 5063 states and 10116 transitions. [2021-11-23 01:02:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5063 states and 10116 transitions. [2021-11-23 01:02:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:55,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10120 states to 5065 states and 10120 transitions. [2021-11-23 01:02:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 10120 transitions. [2021-11-23 01:02:55,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:55,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10124 states to 5067 states and 10124 transitions. [2021-11-23 01:02:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 10124 transitions. [2021-11-23 01:02:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:55,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10128 states to 5069 states and 10128 transitions. [2021-11-23 01:02:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 10128 transitions. [2021-11-23 01:02:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:55,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10132 states to 5071 states and 10132 transitions. [2021-11-23 01:02:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 10132 transitions. [2021-11-23 01:02:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:56,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:56,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10136 states to 5073 states and 10136 transitions. [2021-11-23 01:02:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 10136 transitions. [2021-11-23 01:02:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:56,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:56,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10140 states to 5075 states and 10140 transitions. [2021-11-23 01:02:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 10140 transitions. [2021-11-23 01:02:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:56,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:56,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10144 states to 5077 states and 10144 transitions. [2021-11-23 01:02:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 10144 transitions. [2021-11-23 01:02:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:56,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:56,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10148 states to 5079 states and 10148 transitions. [2021-11-23 01:02:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 10148 transitions. [2021-11-23 01:02:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:56,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:56,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:56,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:56,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10152 states to 5081 states and 10152 transitions. [2021-11-23 01:02:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5081 states and 10152 transitions. [2021-11-23 01:02:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10156 states to 5083 states and 10156 transitions. [2021-11-23 01:02:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 10156 transitions. [2021-11-23 01:02:57,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10160 states to 5085 states and 10160 transitions. [2021-11-23 01:02:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5085 states and 10160 transitions. [2021-11-23 01:02:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10164 states to 5087 states and 10164 transitions. [2021-11-23 01:02:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 10164 transitions. [2021-11-23 01:02:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10168 states to 5089 states and 10168 transitions. [2021-11-23 01:02:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 10168 transitions. [2021-11-23 01:02:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10172 states to 5091 states and 10172 transitions. [2021-11-23 01:02:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 10172 transitions. [2021-11-23 01:02:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:57,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10176 states to 5093 states and 10176 transitions. [2021-11-23 01:02:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 10176 transitions. [2021-11-23 01:02:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:58,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:58,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:58,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:58,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10180 states to 5095 states and 10180 transitions. [2021-11-23 01:02:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 10180 transitions. [2021-11-23 01:02:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:58,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:58,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:58,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:58,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10184 states to 5097 states and 10184 transitions. [2021-11-23 01:02:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 10184 transitions. [2021-11-23 01:02:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:58,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:58,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:58,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:58,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10188 states to 5099 states and 10188 transitions. [2021-11-23 01:02:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 10188 transitions. [2021-11-23 01:02:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:58,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:58,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:58,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:58,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10192 states to 5101 states and 10192 transitions. [2021-11-23 01:02:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 10192 transitions. [2021-11-23 01:02:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:58,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:58,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:58,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:58,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10196 states to 5103 states and 10196 transitions. [2021-11-23 01:02:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 10196 transitions. [2021-11-23 01:02:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:59,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10200 states to 5105 states and 10200 transitions. [2021-11-23 01:02:59,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 10200 transitions. [2021-11-23 01:02:59,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:59,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10204 states to 5107 states and 10204 transitions. [2021-11-23 01:02:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 10204 transitions. [2021-11-23 01:02:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:59,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10208 states to 5109 states and 10208 transitions. [2021-11-23 01:02:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 10208 transitions. [2021-11-23 01:02:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:59,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10212 states to 5111 states and 10212 transitions. [2021-11-23 01:02:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 10212 transitions. [2021-11-23 01:02:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:02:59,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10216 states to 5113 states and 10216 transitions. [2021-11-23 01:03:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 10216 transitions. [2021-11-23 01:03:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:00,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:00,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10220 states to 5115 states and 10220 transitions. [2021-11-23 01:03:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 10220 transitions. [2021-11-23 01:03:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:00,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:00,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10224 states to 5117 states and 10224 transitions. [2021-11-23 01:03:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 10224 transitions. [2021-11-23 01:03:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:00,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:00,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10228 states to 5119 states and 10228 transitions. [2021-11-23 01:03:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 10228 transitions. [2021-11-23 01:03:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:00,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:00,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10232 states to 5121 states and 10232 transitions. [2021-11-23 01:03:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5121 states and 10232 transitions. [2021-11-23 01:03:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:00,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:00,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:00,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10236 states to 5123 states and 10236 transitions. [2021-11-23 01:03:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 10236 transitions. [2021-11-23 01:03:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:01,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10240 states to 5125 states and 10240 transitions. [2021-11-23 01:03:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 10240 transitions. [2021-11-23 01:03:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:01,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10244 states to 5127 states and 10244 transitions. [2021-11-23 01:03:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 10244 transitions. [2021-11-23 01:03:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:01,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10248 states to 5129 states and 10248 transitions. [2021-11-23 01:03:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 10248 transitions. [2021-11-23 01:03:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:01,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10252 states to 5131 states and 10252 transitions. [2021-11-23 01:03:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5131 states and 10252 transitions. [2021-11-23 01:03:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:01,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10256 states to 5133 states and 10256 transitions. [2021-11-23 01:03:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5133 states and 10256 transitions. [2021-11-23 01:03:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:02,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:02,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:02,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:02,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10260 states to 5135 states and 10260 transitions. [2021-11-23 01:03:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 10260 transitions. [2021-11-23 01:03:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:02,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:02,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:02,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10264 states to 5137 states and 10264 transitions. [2021-11-23 01:03:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 10264 transitions. [2021-11-23 01:03:02,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:02,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:02,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:02,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:02,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10268 states to 5139 states and 10268 transitions. [2021-11-23 01:03:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 10268 transitions. [2021-11-23 01:03:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:02,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:02,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:02,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:02,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10272 states to 5141 states and 10272 transitions. [2021-11-23 01:03:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 10272 transitions. [2021-11-23 01:03:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:02,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:02,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:02,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:02,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10276 states to 5143 states and 10276 transitions. [2021-11-23 01:03:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 10276 transitions. [2021-11-23 01:03:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:03,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10280 states to 5145 states and 10280 transitions. [2021-11-23 01:03:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 10280 transitions. [2021-11-23 01:03:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:03,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10284 states to 5147 states and 10284 transitions. [2021-11-23 01:03:03,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 10284 transitions. [2021-11-23 01:03:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:03,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10288 states to 5149 states and 10288 transitions. [2021-11-23 01:03:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5149 states and 10288 transitions. [2021-11-23 01:03:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10292 states to 5151 states and 10292 transitions. [2021-11-23 01:03:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 10292 transitions. [2021-11-23 01:03:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:03,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10296 states to 5153 states and 10296 transitions. [2021-11-23 01:03:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 5153 states and 10296 transitions. [2021-11-23 01:03:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10300 states to 5155 states and 10300 transitions. [2021-11-23 01:03:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 10300 transitions. [2021-11-23 01:03:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10304 states to 5157 states and 10304 transitions. [2021-11-23 01:03:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5157 states and 10304 transitions. [2021-11-23 01:03:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10308 states to 5159 states and 10308 transitions. [2021-11-23 01:03:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5159 states and 10308 transitions. [2021-11-23 01:03:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 5161 states and 10312 transitions. [2021-11-23 01:03:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 10312 transitions. [2021-11-23 01:03:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10316 states to 5163 states and 10316 transitions. [2021-11-23 01:03:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 10316 transitions. [2021-11-23 01:03:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:04,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:04,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:04,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:04,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10320 states to 5165 states and 10320 transitions. [2021-11-23 01:03:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 10320 transitions. [2021-11-23 01:03:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:05,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10324 states to 5167 states and 10324 transitions. [2021-11-23 01:03:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 10324 transitions. [2021-11-23 01:03:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:05,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10328 states to 5169 states and 10328 transitions. [2021-11-23 01:03:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 10328 transitions. [2021-11-23 01:03:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:05,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10332 states to 5171 states and 10332 transitions. [2021-11-23 01:03:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 10332 transitions. [2021-11-23 01:03:05,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:05,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10336 states to 5173 states and 10336 transitions. [2021-11-23 01:03:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5173 states and 10336 transitions. [2021-11-23 01:03:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:05,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10340 states to 5175 states and 10340 transitions. [2021-11-23 01:03:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 10340 transitions. [2021-11-23 01:03:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:06,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:06,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10344 states to 5177 states and 10344 transitions. [2021-11-23 01:03:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5177 states and 10344 transitions. [2021-11-23 01:03:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:06,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:06,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10348 states to 5179 states and 10348 transitions. [2021-11-23 01:03:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5179 states and 10348 transitions. [2021-11-23 01:03:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:06,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:06,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10352 states to 5181 states and 10352 transitions. [2021-11-23 01:03:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 10352 transitions. [2021-11-23 01:03:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:06,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:06,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10356 states to 5183 states and 10356 transitions. [2021-11-23 01:03:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 10356 transitions. [2021-11-23 01:03:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:06,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:06,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:06,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:06,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 5185 states and 10360 transitions. [2021-11-23 01:03:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 10360 transitions. [2021-11-23 01:03:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10364 states to 5187 states and 10364 transitions. [2021-11-23 01:03:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5187 states and 10364 transitions. [2021-11-23 01:03:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10368 states to 5189 states and 10368 transitions. [2021-11-23 01:03:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 10368 transitions. [2021-11-23 01:03:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10372 states to 5191 states and 10372 transitions. [2021-11-23 01:03:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 10372 transitions. [2021-11-23 01:03:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10376 states to 5193 states and 10376 transitions. [2021-11-23 01:03:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 10376 transitions. [2021-11-23 01:03:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10380 states to 5195 states and 10380 transitions. [2021-11-23 01:03:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5195 states and 10380 transitions. [2021-11-23 01:03:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:07,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10384 states to 5197 states and 10384 transitions. [2021-11-23 01:03:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 10384 transitions. [2021-11-23 01:03:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:08,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 5199 states and 10388 transitions. [2021-11-23 01:03:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5199 states and 10388 transitions. [2021-11-23 01:03:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:08,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10392 states to 5201 states and 10392 transitions. [2021-11-23 01:03:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5201 states and 10392 transitions. [2021-11-23 01:03:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10396 states to 5203 states and 10396 transitions. [2021-11-23 01:03:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 10396 transitions. [2021-11-23 01:03:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:08,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10400 states to 5205 states and 10400 transitions. [2021-11-23 01:03:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 10400 transitions. [2021-11-23 01:03:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:08,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:08,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:08,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10404 states to 5207 states and 10404 transitions. [2021-11-23 01:03:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5207 states and 10404 transitions. [2021-11-23 01:03:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:09,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10408 states to 5209 states and 10408 transitions. [2021-11-23 01:03:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5209 states and 10408 transitions. [2021-11-23 01:03:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:09,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10412 states to 5211 states and 10412 transitions. [2021-11-23 01:03:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5211 states and 10412 transitions. [2021-11-23 01:03:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:09,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10416 states to 5213 states and 10416 transitions. [2021-11-23 01:03:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 10416 transitions. [2021-11-23 01:03:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:09,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10420 states to 5215 states and 10420 transitions. [2021-11-23 01:03:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5215 states and 10420 transitions. [2021-11-23 01:03:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:09,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10424 states to 5217 states and 10424 transitions. [2021-11-23 01:03:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 10424 transitions. [2021-11-23 01:03:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:10,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10428 states to 5219 states and 10428 transitions. [2021-11-23 01:03:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 10428 transitions. [2021-11-23 01:03:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:10,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10432 states to 5221 states and 10432 transitions. [2021-11-23 01:03:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 10432 transitions. [2021-11-23 01:03:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:10,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10436 states to 5223 states and 10436 transitions. [2021-11-23 01:03:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 10436 transitions. [2021-11-23 01:03:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:10,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:10,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10440 states to 5225 states and 10440 transitions. [2021-11-23 01:03:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 10440 transitions. [2021-11-23 01:03:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:10,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10444 states to 5227 states and 10444 transitions. [2021-11-23 01:03:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 10444 transitions. [2021-11-23 01:03:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10448 states to 5229 states and 10448 transitions. [2021-11-23 01:03:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 10448 transitions. [2021-11-23 01:03:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10452 states to 5231 states and 10452 transitions. [2021-11-23 01:03:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 10452 transitions. [2021-11-23 01:03:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10456 states to 5233 states and 10456 transitions. [2021-11-23 01:03:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 10456 transitions. [2021-11-23 01:03:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10460 states to 5235 states and 10460 transitions. [2021-11-23 01:03:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 10460 transitions. [2021-11-23 01:03:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 5237 states and 10464 transitions. [2021-11-23 01:03:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 10464 transitions. [2021-11-23 01:03:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:11,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10468 states to 5239 states and 10468 transitions. [2021-11-23 01:03:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 10468 transitions. [2021-11-23 01:03:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:12,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:12,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10472 states to 5241 states and 10472 transitions. [2021-11-23 01:03:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 10472 transitions. [2021-11-23 01:03:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:12,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:12,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10476 states to 5243 states and 10476 transitions. [2021-11-23 01:03:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 10476 transitions. [2021-11-23 01:03:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:12,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:12,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10480 states to 5245 states and 10480 transitions. [2021-11-23 01:03:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 10480 transitions. [2021-11-23 01:03:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:12,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:12,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10484 states to 5247 states and 10484 transitions. [2021-11-23 01:03:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 5247 states and 10484 transitions. [2021-11-23 01:03:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:12,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:12,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10488 states to 5249 states and 10488 transitions. [2021-11-23 01:03:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 10488 transitions. [2021-11-23 01:03:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:13,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10492 states to 5251 states and 10492 transitions. [2021-11-23 01:03:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 10492 transitions. [2021-11-23 01:03:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:13,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10496 states to 5253 states and 10496 transitions. [2021-11-23 01:03:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 10496 transitions. [2021-11-23 01:03:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:13,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10500 states to 5255 states and 10500 transitions. [2021-11-23 01:03:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5255 states and 10500 transitions. [2021-11-23 01:03:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:13,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10504 states to 5257 states and 10504 transitions. [2021-11-23 01:03:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 10504 transitions. [2021-11-23 01:03:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:13,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10508 states to 5259 states and 10508 transitions. [2021-11-23 01:03:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 10508 transitions. [2021-11-23 01:03:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:14,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:14,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10512 states to 5261 states and 10512 transitions. [2021-11-23 01:03:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 10512 transitions. [2021-11-23 01:03:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:14,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:14,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10516 states to 5263 states and 10516 transitions. [2021-11-23 01:03:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5263 states and 10516 transitions. [2021-11-23 01:03:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:14,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:14,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10520 states to 5265 states and 10520 transitions. [2021-11-23 01:03:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 10520 transitions. [2021-11-23 01:03:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:14,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:14,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10524 states to 5267 states and 10524 transitions. [2021-11-23 01:03:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 10524 transitions. [2021-11-23 01:03:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:14,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:14,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:14,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:14,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10528 states to 5269 states and 10528 transitions. [2021-11-23 01:03:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 10528 transitions. [2021-11-23 01:03:15,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:15,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 5271 states and 10532 transitions. [2021-11-23 01:03:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 10532 transitions. [2021-11-23 01:03:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:15,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10536 states to 5273 states and 10536 transitions. [2021-11-23 01:03:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 10536 transitions. [2021-11-23 01:03:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:15,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10540 states to 5275 states and 10540 transitions. [2021-11-23 01:03:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 10540 transitions. [2021-11-23 01:03:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:15,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10544 states to 5277 states and 10544 transitions. [2021-11-23 01:03:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 10544 transitions. [2021-11-23 01:03:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:15,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 5279 states and 10548 transitions. [2021-11-23 01:03:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 10548 transitions. [2021-11-23 01:03:16,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10552 states to 5281 states and 10552 transitions. [2021-11-23 01:03:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 10552 transitions. [2021-11-23 01:03:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10556 states to 5283 states and 10556 transitions. [2021-11-23 01:03:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 10556 transitions. [2021-11-23 01:03:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10560 states to 5285 states and 10560 transitions. [2021-11-23 01:03:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 10560 transitions. [2021-11-23 01:03:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10564 states to 5287 states and 10564 transitions. [2021-11-23 01:03:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 10564 transitions. [2021-11-23 01:03:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10568 states to 5289 states and 10568 transitions. [2021-11-23 01:03:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 10568 transitions. [2021-11-23 01:03:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:16,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10572 states to 5291 states and 10572 transitions. [2021-11-23 01:03:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 10572 transitions. [2021-11-23 01:03:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:17,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10576 states to 5293 states and 10576 transitions. [2021-11-23 01:03:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 10576 transitions. [2021-11-23 01:03:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:17,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10580 states to 5295 states and 10580 transitions. [2021-11-23 01:03:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 10580 transitions. [2021-11-23 01:03:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:17,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10584 states to 5297 states and 10584 transitions. [2021-11-23 01:03:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 10584 transitions. [2021-11-23 01:03:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:17,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10588 states to 5299 states and 10588 transitions. [2021-11-23 01:03:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 10588 transitions. [2021-11-23 01:03:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:17,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10592 states to 5301 states and 10592 transitions. [2021-11-23 01:03:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 10592 transitions. [2021-11-23 01:03:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:18,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:18,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10596 states to 5303 states and 10596 transitions. [2021-11-23 01:03:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5303 states and 10596 transitions. [2021-11-23 01:03:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:18,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:18,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10600 states to 5305 states and 10600 transitions. [2021-11-23 01:03:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5305 states and 10600 transitions. [2021-11-23 01:03:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:18,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:18,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10604 states to 5307 states and 10604 transitions. [2021-11-23 01:03:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 10604 transitions. [2021-11-23 01:03:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:18,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:18,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10608 states to 5309 states and 10608 transitions. [2021-11-23 01:03:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5309 states and 10608 transitions. [2021-11-23 01:03:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:18,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:18,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:18,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:18,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10612 states to 5311 states and 10612 transitions. [2021-11-23 01:03:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5311 states and 10612 transitions. [2021-11-23 01:03:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:19,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:19,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10616 states to 5313 states and 10616 transitions. [2021-11-23 01:03:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 10616 transitions. [2021-11-23 01:03:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:19,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:19,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10620 states to 5315 states and 10620 transitions. [2021-11-23 01:03:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5315 states and 10620 transitions. [2021-11-23 01:03:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:19,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 5317 states and 10624 transitions. [2021-11-23 01:03:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5317 states and 10624 transitions. [2021-11-23 01:03:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:19,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:19,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10628 states to 5319 states and 10628 transitions. [2021-11-23 01:03:19,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 10628 transitions. [2021-11-23 01:03:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:19,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:19,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10632 states to 5321 states and 10632 transitions. [2021-11-23 01:03:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 10632 transitions. [2021-11-23 01:03:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10636 states to 5323 states and 10636 transitions. [2021-11-23 01:03:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 10636 transitions. [2021-11-23 01:03:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10640 states to 5325 states and 10640 transitions. [2021-11-23 01:03:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5325 states and 10640 transitions. [2021-11-23 01:03:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10644 states to 5327 states and 10644 transitions. [2021-11-23 01:03:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 5327 states and 10644 transitions. [2021-11-23 01:03:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10648 states to 5329 states and 10648 transitions. [2021-11-23 01:03:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5329 states and 10648 transitions. [2021-11-23 01:03:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 5331 states and 10652 transitions. [2021-11-23 01:03:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 10652 transitions. [2021-11-23 01:03:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:20,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:20,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:20,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10656 states to 5333 states and 10656 transitions. [2021-11-23 01:03:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5333 states and 10656 transitions. [2021-11-23 01:03:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:21,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:21,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:21,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10660 states to 5335 states and 10660 transitions. [2021-11-23 01:03:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 10660 transitions. [2021-11-23 01:03:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:21,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:21,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:21,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10664 states to 5337 states and 10664 transitions. [2021-11-23 01:03:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5337 states and 10664 transitions. [2021-11-23 01:03:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:21,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:21,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:21,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10668 states to 5339 states and 10668 transitions. [2021-11-23 01:03:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 10668 transitions. [2021-11-23 01:03:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:21,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:21,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:21,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10672 states to 5341 states and 10672 transitions. [2021-11-23 01:03:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 10672 transitions. [2021-11-23 01:03:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:21,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:21,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:21,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10676 states to 5343 states and 10676 transitions. [2021-11-23 01:03:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 10676 transitions. [2021-11-23 01:03:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:22,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10680 states to 5345 states and 10680 transitions. [2021-11-23 01:03:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 10680 transitions. [2021-11-23 01:03:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:22,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10684 states to 5347 states and 10684 transitions. [2021-11-23 01:03:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 10684 transitions. [2021-11-23 01:03:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:22,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10688 states to 5349 states and 10688 transitions. [2021-11-23 01:03:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 10688 transitions. [2021-11-23 01:03:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:22,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10692 states to 5351 states and 10692 transitions. [2021-11-23 01:03:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5351 states and 10692 transitions. [2021-11-23 01:03:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:22,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:22,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10696 states to 5353 states and 10696 transitions. [2021-11-23 01:03:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5353 states and 10696 transitions. [2021-11-23 01:03:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:23,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:23,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10700 states to 5355 states and 10700 transitions. [2021-11-23 01:03:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 10700 transitions. [2021-11-23 01:03:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:23,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:23,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10704 states to 5357 states and 10704 transitions. [2021-11-23 01:03:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5357 states and 10704 transitions. [2021-11-23 01:03:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:23,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:23,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10708 states to 5359 states and 10708 transitions. [2021-11-23 01:03:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 10708 transitions. [2021-11-23 01:03:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:23,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:23,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10712 states to 5361 states and 10712 transitions. [2021-11-23 01:03:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 5361 states and 10712 transitions. [2021-11-23 01:03:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:23,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:23,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:23,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:23,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10716 states to 5363 states and 10716 transitions. [2021-11-23 01:03:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5363 states and 10716 transitions. [2021-11-23 01:03:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 5365 states and 10720 transitions. [2021-11-23 01:03:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 10720 transitions. [2021-11-23 01:03:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10724 states to 5367 states and 10724 transitions. [2021-11-23 01:03:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5367 states and 10724 transitions. [2021-11-23 01:03:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 5369 states and 10728 transitions. [2021-11-23 01:03:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 10728 transitions. [2021-11-23 01:03:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10732 states to 5371 states and 10732 transitions. [2021-11-23 01:03:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 10732 transitions. [2021-11-23 01:03:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10736 states to 5373 states and 10736 transitions. [2021-11-23 01:03:24,993 INFO L276 IsEmpty]: Start isEmpty. Operand 5373 states and 10736 transitions. [2021-11-23 01:03:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:24,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10740 states to 5375 states and 10740 transitions. [2021-11-23 01:03:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 10740 transitions. [2021-11-23 01:03:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:25,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10744 states to 5377 states and 10744 transitions. [2021-11-23 01:03:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5377 states and 10744 transitions. [2021-11-23 01:03:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:25,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10748 states to 5379 states and 10748 transitions. [2021-11-23 01:03:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 10748 transitions. [2021-11-23 01:03:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:25,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10752 states to 5381 states and 10752 transitions. [2021-11-23 01:03:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5381 states and 10752 transitions. [2021-11-23 01:03:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:25,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10756 states to 5383 states and 10756 transitions. [2021-11-23 01:03:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 10756 transitions. [2021-11-23 01:03:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:25,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:25,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:25,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:25,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 5385 states and 10760 transitions. [2021-11-23 01:03:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5385 states and 10760 transitions. [2021-11-23 01:03:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:26,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10764 states to 5387 states and 10764 transitions. [2021-11-23 01:03:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 10764 transitions. [2021-11-23 01:03:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10768 states to 5389 states and 10768 transitions. [2021-11-23 01:03:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 10768 transitions. [2021-11-23 01:03:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:26,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10772 states to 5391 states and 10772 transitions. [2021-11-23 01:03:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5391 states and 10772 transitions. [2021-11-23 01:03:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:26,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10776 states to 5393 states and 10776 transitions. [2021-11-23 01:03:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5393 states and 10776 transitions. [2021-11-23 01:03:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:26,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10780 states to 5395 states and 10780 transitions. [2021-11-23 01:03:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5395 states and 10780 transitions. [2021-11-23 01:03:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:27,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:27,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10784 states to 5397 states and 10784 transitions. [2021-11-23 01:03:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 10784 transitions. [2021-11-23 01:03:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:27,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:27,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10788 states to 5399 states and 10788 transitions. [2021-11-23 01:03:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 10788 transitions. [2021-11-23 01:03:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:27,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:27,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10792 states to 5401 states and 10792 transitions. [2021-11-23 01:03:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5401 states and 10792 transitions. [2021-11-23 01:03:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:27,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:27,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 5403 states and 10796 transitions. [2021-11-23 01:03:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5403 states and 10796 transitions. [2021-11-23 01:03:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:27,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:27,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:27,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:27,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10800 states to 5405 states and 10800 transitions. [2021-11-23 01:03:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5405 states and 10800 transitions. [2021-11-23 01:03:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:28,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10804 states to 5407 states and 10804 transitions. [2021-11-23 01:03:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 10804 transitions. [2021-11-23 01:03:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:28,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10808 states to 5409 states and 10808 transitions. [2021-11-23 01:03:28,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 10808 transitions. [2021-11-23 01:03:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:28,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10812 states to 5411 states and 10812 transitions. [2021-11-23 01:03:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5411 states and 10812 transitions. [2021-11-23 01:03:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:28,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10816 states to 5413 states and 10816 transitions. [2021-11-23 01:03:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5413 states and 10816 transitions. [2021-11-23 01:03:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:28,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 5415 states and 10820 transitions. [2021-11-23 01:03:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5415 states and 10820 transitions. [2021-11-23 01:03:29,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10824 states to 5417 states and 10824 transitions. [2021-11-23 01:03:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5417 states and 10824 transitions. [2021-11-23 01:03:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10828 states to 5419 states and 10828 transitions. [2021-11-23 01:03:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5419 states and 10828 transitions. [2021-11-23 01:03:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10832 states to 5421 states and 10832 transitions. [2021-11-23 01:03:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5421 states and 10832 transitions. [2021-11-23 01:03:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10836 states to 5423 states and 10836 transitions. [2021-11-23 01:03:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 10836 transitions. [2021-11-23 01:03:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10840 states to 5425 states and 10840 transitions. [2021-11-23 01:03:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5425 states and 10840 transitions. [2021-11-23 01:03:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:29,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:29,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:29,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:29,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 5427 states and 10844 transitions. [2021-11-23 01:03:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5427 states and 10844 transitions. [2021-11-23 01:03:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:30,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10848 states to 5429 states and 10848 transitions. [2021-11-23 01:03:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 10848 transitions. [2021-11-23 01:03:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:30,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10852 states to 5431 states and 10852 transitions. [2021-11-23 01:03:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 10852 transitions. [2021-11-23 01:03:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:30,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10856 states to 5433 states and 10856 transitions. [2021-11-23 01:03:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5433 states and 10856 transitions. [2021-11-23 01:03:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:30,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10860 states to 5435 states and 10860 transitions. [2021-11-23 01:03:30,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5435 states and 10860 transitions. [2021-11-23 01:03:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:30,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10864 states to 5437 states and 10864 transitions. [2021-11-23 01:03:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 10864 transitions. [2021-11-23 01:03:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:31,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:31,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10868 states to 5439 states and 10868 transitions. [2021-11-23 01:03:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 10868 transitions. [2021-11-23 01:03:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:31,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:31,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10872 states to 5441 states and 10872 transitions. [2021-11-23 01:03:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5441 states and 10872 transitions. [2021-11-23 01:03:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:31,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10876 states to 5443 states and 10876 transitions. [2021-11-23 01:03:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 5443 states and 10876 transitions. [2021-11-23 01:03:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:31,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:31,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10880 states to 5445 states and 10880 transitions. [2021-11-23 01:03:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5445 states and 10880 transitions. [2021-11-23 01:03:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:31,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:31,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:31,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:31,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10884 states to 5447 states and 10884 transitions. [2021-11-23 01:03:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 10884 transitions. [2021-11-23 01:03:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:32,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10888 states to 5449 states and 10888 transitions. [2021-11-23 01:03:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 5449 states and 10888 transitions. [2021-11-23 01:03:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:32,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10892 states to 5451 states and 10892 transitions. [2021-11-23 01:03:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 10892 transitions. [2021-11-23 01:03:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:32,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10896 states to 5453 states and 10896 transitions. [2021-11-23 01:03:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5453 states and 10896 transitions. [2021-11-23 01:03:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:32,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10900 states to 5455 states and 10900 transitions. [2021-11-23 01:03:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 10900 transitions. [2021-11-23 01:03:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:32,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 5457 states and 10904 transitions. [2021-11-23 01:03:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 10904 transitions. [2021-11-23 01:03:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:33,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:33,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10908 states to 5459 states and 10908 transitions. [2021-11-23 01:03:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5459 states and 10908 transitions. [2021-11-23 01:03:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:33,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:33,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10912 states to 5461 states and 10912 transitions. [2021-11-23 01:03:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 10912 transitions. [2021-11-23 01:03:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:33,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:33,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10916 states to 5463 states and 10916 transitions. [2021-11-23 01:03:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 5463 states and 10916 transitions. [2021-11-23 01:03:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:33,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:33,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 5465 states and 10920 transitions. [2021-11-23 01:03:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5465 states and 10920 transitions. [2021-11-23 01:03:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:33,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:33,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:33,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:33,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 5467 states and 10924 transitions. [2021-11-23 01:03:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 10924 transitions. [2021-11-23 01:03:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:34,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10928 states to 5469 states and 10928 transitions. [2021-11-23 01:03:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5469 states and 10928 transitions. [2021-11-23 01:03:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:34,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 5471 states and 10932 transitions. [2021-11-23 01:03:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 5471 states and 10932 transitions. [2021-11-23 01:03:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:34,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10936 states to 5473 states and 10936 transitions. [2021-11-23 01:03:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 10936 transitions. [2021-11-23 01:03:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:34,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10940 states to 5475 states and 10940 transitions. [2021-11-23 01:03:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 10940 transitions. [2021-11-23 01:03:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:34,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10944 states to 5477 states and 10944 transitions. [2021-11-23 01:03:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 10944 transitions. [2021-11-23 01:03:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:35,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:35,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10948 states to 5479 states and 10948 transitions. [2021-11-23 01:03:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 10948 transitions. [2021-11-23 01:03:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:35,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:35,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10952 states to 5481 states and 10952 transitions. [2021-11-23 01:03:35,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5481 states and 10952 transitions. [2021-11-23 01:03:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:35,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:35,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10956 states to 5483 states and 10956 transitions. [2021-11-23 01:03:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 10956 transitions. [2021-11-23 01:03:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:35,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:35,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 5485 states and 10960 transitions. [2021-11-23 01:03:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 10960 transitions. [2021-11-23 01:03:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:35,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:35,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:35,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:35,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10964 states to 5487 states and 10964 transitions. [2021-11-23 01:03:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 10964 transitions. [2021-11-23 01:03:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:36,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10968 states to 5489 states and 10968 transitions. [2021-11-23 01:03:36,252 INFO L276 IsEmpty]: Start isEmpty. Operand 5489 states and 10968 transitions. [2021-11-23 01:03:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:36,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10972 states to 5491 states and 10972 transitions. [2021-11-23 01:03:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 5491 states and 10972 transitions. [2021-11-23 01:03:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:36,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10976 states to 5493 states and 10976 transitions. [2021-11-23 01:03:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 5493 states and 10976 transitions. [2021-11-23 01:03:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:36,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10980 states to 5495 states and 10980 transitions. [2021-11-23 01:03:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 5495 states and 10980 transitions. [2021-11-23 01:03:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:36,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10984 states to 5497 states and 10984 transitions. [2021-11-23 01:03:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5497 states and 10984 transitions. [2021-11-23 01:03:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:37,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10988 states to 5499 states and 10988 transitions. [2021-11-23 01:03:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 10988 transitions. [2021-11-23 01:03:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:37,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10992 states to 5501 states and 10992 transitions. [2021-11-23 01:03:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 10992 transitions. [2021-11-23 01:03:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:37,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10996 states to 5503 states and 10996 transitions. [2021-11-23 01:03:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5503 states and 10996 transitions. [2021-11-23 01:03:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:37,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11000 states to 5505 states and 11000 transitions. [2021-11-23 01:03:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5505 states and 11000 transitions. [2021-11-23 01:03:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:37,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:37,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11004 states to 5507 states and 11004 transitions. [2021-11-23 01:03:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5507 states and 11004 transitions. [2021-11-23 01:03:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:38,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 5509 states and 11008 transitions. [2021-11-23 01:03:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5509 states and 11008 transitions. [2021-11-23 01:03:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:38,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 5511 states and 11012 transitions. [2021-11-23 01:03:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 11012 transitions. [2021-11-23 01:03:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:38,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11016 states to 5513 states and 11016 transitions. [2021-11-23 01:03:38,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5513 states and 11016 transitions. [2021-11-23 01:03:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:38,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11020 states to 5515 states and 11020 transitions. [2021-11-23 01:03:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5515 states and 11020 transitions. [2021-11-23 01:03:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:38,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:38,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11024 states to 5517 states and 11024 transitions. [2021-11-23 01:03:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 11024 transitions. [2021-11-23 01:03:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:38,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:38,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 5519 states and 11028 transitions. [2021-11-23 01:03:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 11028 transitions. [2021-11-23 01:03:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:39,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 5521 states and 11032 transitions. [2021-11-23 01:03:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5521 states and 11032 transitions. [2021-11-23 01:03:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:39,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11036 states to 5523 states and 11036 transitions. [2021-11-23 01:03:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 11036 transitions. [2021-11-23 01:03:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:39,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11040 states to 5525 states and 11040 transitions. [2021-11-23 01:03:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 11040 transitions. [2021-11-23 01:03:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:39,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11044 states to 5527 states and 11044 transitions. [2021-11-23 01:03:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 11044 transitions. [2021-11-23 01:03:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:39,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 5529 states and 11048 transitions. [2021-11-23 01:03:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 11048 transitions. [2021-11-23 01:03:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:40,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 5531 states and 11052 transitions. [2021-11-23 01:03:40,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5531 states and 11052 transitions. [2021-11-23 01:03:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:40,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11056 states to 5533 states and 11056 transitions. [2021-11-23 01:03:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 11056 transitions. [2021-11-23 01:03:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:40,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 5535 states and 11060 transitions. [2021-11-23 01:03:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 5535 states and 11060 transitions. [2021-11-23 01:03:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:40,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11064 states to 5537 states and 11064 transitions. [2021-11-23 01:03:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5537 states and 11064 transitions. [2021-11-23 01:03:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:40,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11068 states to 5539 states and 11068 transitions. [2021-11-23 01:03:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5539 states and 11068 transitions. [2021-11-23 01:03:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:41,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11072 states to 5541 states and 11072 transitions. [2021-11-23 01:03:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5541 states and 11072 transitions. [2021-11-23 01:03:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:41,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 5543 states and 11076 transitions. [2021-11-23 01:03:41,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5543 states and 11076 transitions. [2021-11-23 01:03:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:41,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11080 states to 5545 states and 11080 transitions. [2021-11-23 01:03:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 5545 states and 11080 transitions. [2021-11-23 01:03:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:41,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 5547 states and 11084 transitions. [2021-11-23 01:03:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5547 states and 11084 transitions. [2021-11-23 01:03:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:41,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11088 states to 5549 states and 11088 transitions. [2021-11-23 01:03:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5549 states and 11088 transitions. [2021-11-23 01:03:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:42,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:42,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:42,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11092 states to 5551 states and 11092 transitions. [2021-11-23 01:03:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 11092 transitions. [2021-11-23 01:03:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:42,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:42,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11096 states to 5553 states and 11096 transitions. [2021-11-23 01:03:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5553 states and 11096 transitions. [2021-11-23 01:03:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:42,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:42,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:42,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11100 states to 5555 states and 11100 transitions. [2021-11-23 01:03:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5555 states and 11100 transitions. [2021-11-23 01:03:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:42,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:42,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:42,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11104 states to 5557 states and 11104 transitions. [2021-11-23 01:03:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5557 states and 11104 transitions. [2021-11-23 01:03:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:42,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:42,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:42,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:42,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 5559 states and 11108 transitions. [2021-11-23 01:03:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 5559 states and 11108 transitions. [2021-11-23 01:03:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:43,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11112 states to 5561 states and 11112 transitions. [2021-11-23 01:03:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5561 states and 11112 transitions. [2021-11-23 01:03:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:43,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11116 states to 5563 states and 11116 transitions. [2021-11-23 01:03:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 11116 transitions. [2021-11-23 01:03:43,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:43,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 5565 states and 11120 transitions. [2021-11-23 01:03:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 11120 transitions. [2021-11-23 01:03:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:43,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11124 states to 5567 states and 11124 transitions. [2021-11-23 01:03:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 11124 transitions. [2021-11-23 01:03:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:43,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 5569 states and 11128 transitions. [2021-11-23 01:03:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 5569 states and 11128 transitions. [2021-11-23 01:03:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:44,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11132 states to 5571 states and 11132 transitions. [2021-11-23 01:03:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 11132 transitions. [2021-11-23 01:03:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:44,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11136 states to 5573 states and 11136 transitions. [2021-11-23 01:03:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 11136 transitions. [2021-11-23 01:03:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:44,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11140 states to 5575 states and 11140 transitions. [2021-11-23 01:03:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5575 states and 11140 transitions. [2021-11-23 01:03:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:44,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11144 states to 5577 states and 11144 transitions. [2021-11-23 01:03:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5577 states and 11144 transitions. [2021-11-23 01:03:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:44,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11148 states to 5579 states and 11148 transitions. [2021-11-23 01:03:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5579 states and 11148 transitions. [2021-11-23 01:03:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:45,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11152 states to 5581 states and 11152 transitions. [2021-11-23 01:03:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 11152 transitions. [2021-11-23 01:03:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:45,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11156 states to 5583 states and 11156 transitions. [2021-11-23 01:03:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 11156 transitions. [2021-11-23 01:03:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:45,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11160 states to 5585 states and 11160 transitions. [2021-11-23 01:03:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5585 states and 11160 transitions. [2021-11-23 01:03:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:45,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11164 states to 5587 states and 11164 transitions. [2021-11-23 01:03:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5587 states and 11164 transitions. [2021-11-23 01:03:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:45,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:45,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:45,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11168 states to 5589 states and 11168 transitions. [2021-11-23 01:03:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 11168 transitions. [2021-11-23 01:03:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:46,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11172 states to 5591 states and 11172 transitions. [2021-11-23 01:03:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 5591 states and 11172 transitions. [2021-11-23 01:03:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:46,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11176 states to 5593 states and 11176 transitions. [2021-11-23 01:03:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 5593 states and 11176 transitions. [2021-11-23 01:03:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:46,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11180 states to 5595 states and 11180 transitions. [2021-11-23 01:03:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 11180 transitions. [2021-11-23 01:03:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:46,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11184 states to 5597 states and 11184 transitions. [2021-11-23 01:03:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 11184 transitions. [2021-11-23 01:03:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:46,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:46,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11188 states to 5599 states and 11188 transitions. [2021-11-23 01:03:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 11188 transitions. [2021-11-23 01:03:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:47,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:47,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11192 states to 5601 states and 11192 transitions. [2021-11-23 01:03:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 11192 transitions. [2021-11-23 01:03:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:47,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:47,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11196 states to 5603 states and 11196 transitions. [2021-11-23 01:03:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 11196 transitions. [2021-11-23 01:03:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:47,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:47,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11200 states to 5605 states and 11200 transitions. [2021-11-23 01:03:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 11200 transitions. [2021-11-23 01:03:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:47,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:47,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11204 states to 5607 states and 11204 transitions. [2021-11-23 01:03:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 5607 states and 11204 transitions. [2021-11-23 01:03:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:47,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:47,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:47,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11208 states to 5609 states and 11208 transitions. [2021-11-23 01:03:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5609 states and 11208 transitions. [2021-11-23 01:03:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:48,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11212 states to 5611 states and 11212 transitions. [2021-11-23 01:03:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5611 states and 11212 transitions. [2021-11-23 01:03:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:48,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11216 states to 5613 states and 11216 transitions. [2021-11-23 01:03:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5613 states and 11216 transitions. [2021-11-23 01:03:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:48,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11220 states to 5615 states and 11220 transitions. [2021-11-23 01:03:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 11220 transitions. [2021-11-23 01:03:48,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:48,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11224 states to 5617 states and 11224 transitions. [2021-11-23 01:03:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5617 states and 11224 transitions. [2021-11-23 01:03:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:48,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:48,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11228 states to 5619 states and 11228 transitions. [2021-11-23 01:03:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 11228 transitions. [2021-11-23 01:03:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:49,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11232 states to 5621 states and 11232 transitions. [2021-11-23 01:03:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 11232 transitions. [2021-11-23 01:03:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:49,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11236 states to 5623 states and 11236 transitions. [2021-11-23 01:03:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 5623 states and 11236 transitions. [2021-11-23 01:03:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:49,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11240 states to 5625 states and 11240 transitions. [2021-11-23 01:03:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5625 states and 11240 transitions. [2021-11-23 01:03:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:49,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11244 states to 5627 states and 11244 transitions. [2021-11-23 01:03:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5627 states and 11244 transitions. [2021-11-23 01:03:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:49,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11248 states to 5629 states and 11248 transitions. [2021-11-23 01:03:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 11248 transitions. [2021-11-23 01:03:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:50,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11252 states to 5631 states and 11252 transitions. [2021-11-23 01:03:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 11252 transitions. [2021-11-23 01:03:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:50,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11256 states to 5633 states and 11256 transitions. [2021-11-23 01:03:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5633 states and 11256 transitions. [2021-11-23 01:03:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:50,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11260 states to 5635 states and 11260 transitions. [2021-11-23 01:03:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 11260 transitions. [2021-11-23 01:03:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:50,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11264 states to 5637 states and 11264 transitions. [2021-11-23 01:03:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5637 states and 11264 transitions. [2021-11-23 01:03:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:50,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 5639 states and 11268 transitions. [2021-11-23 01:03:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 11268 transitions. [2021-11-23 01:03:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:51,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:51,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11272 states to 5641 states and 11272 transitions. [2021-11-23 01:03:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5641 states and 11272 transitions. [2021-11-23 01:03:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:51,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:51,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11276 states to 5643 states and 11276 transitions. [2021-11-23 01:03:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 11276 transitions. [2021-11-23 01:03:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:51,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:51,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11280 states to 5645 states and 11280 transitions. [2021-11-23 01:03:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 11280 transitions. [2021-11-23 01:03:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:51,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:51,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11284 states to 5647 states and 11284 transitions. [2021-11-23 01:03:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5647 states and 11284 transitions. [2021-11-23 01:03:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:51,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:51,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:51,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:51,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11288 states to 5649 states and 11288 transitions. [2021-11-23 01:03:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5649 states and 11288 transitions. [2021-11-23 01:03:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:52,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11292 states to 5651 states and 11292 transitions. [2021-11-23 01:03:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5651 states and 11292 transitions. [2021-11-23 01:03:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:52,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11296 states to 5653 states and 11296 transitions. [2021-11-23 01:03:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5653 states and 11296 transitions. [2021-11-23 01:03:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:52,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11300 states to 5655 states and 11300 transitions. [2021-11-23 01:03:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 11300 transitions. [2021-11-23 01:03:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:52,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11304 states to 5657 states and 11304 transitions. [2021-11-23 01:03:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5657 states and 11304 transitions. [2021-11-23 01:03:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:52,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:53,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:53,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11308 states to 5659 states and 11308 transitions. [2021-11-23 01:03:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5659 states and 11308 transitions. [2021-11-23 01:03:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:53,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:53,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:53,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11312 states to 5661 states and 11312 transitions. [2021-11-23 01:03:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5661 states and 11312 transitions. [2021-11-23 01:03:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:53,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:53,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:53,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:53,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:53,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11316 states to 5663 states and 11316 transitions. [2021-11-23 01:03:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5663 states and 11316 transitions. [2021-11-23 01:03:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:53,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:53,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:53,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:53,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11320 states to 5665 states and 11320 transitions. [2021-11-23 01:03:53,796 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 11320 transitions. [2021-11-23 01:03:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:53,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:53,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:53,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:53,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11324 states to 5667 states and 11324 transitions. [2021-11-23 01:03:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 11324 transitions. [2021-11-23 01:03:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:53,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11328 states to 5669 states and 11328 transitions. [2021-11-23 01:03:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 11328 transitions. [2021-11-23 01:03:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:54,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11332 states to 5671 states and 11332 transitions. [2021-11-23 01:03:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 11332 transitions. [2021-11-23 01:03:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:54,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11336 states to 5673 states and 11336 transitions. [2021-11-23 01:03:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 11336 transitions. [2021-11-23 01:03:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:54,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11340 states to 5675 states and 11340 transitions. [2021-11-23 01:03:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 11340 transitions. [2021-11-23 01:03:54,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:54,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11344 states to 5677 states and 11344 transitions. [2021-11-23 01:03:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 11344 transitions. [2021-11-23 01:03:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:54,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:55,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11348 states to 5679 states and 11348 transitions. [2021-11-23 01:03:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5679 states and 11348 transitions. [2021-11-23 01:03:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:55,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:55,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11352 states to 5681 states and 11352 transitions. [2021-11-23 01:03:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5681 states and 11352 transitions. [2021-11-23 01:03:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:55,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:55,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11356 states to 5683 states and 11356 transitions. [2021-11-23 01:03:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5683 states and 11356 transitions. [2021-11-23 01:03:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:55,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:55,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11360 states to 5685 states and 11360 transitions. [2021-11-23 01:03:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5685 states and 11360 transitions. [2021-11-23 01:03:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:55,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:55,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:55,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:55,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11364 states to 5687 states and 11364 transitions. [2021-11-23 01:03:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 11364 transitions. [2021-11-23 01:03:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:56,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11368 states to 5689 states and 11368 transitions. [2021-11-23 01:03:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 11368 transitions. [2021-11-23 01:03:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:56,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11372 states to 5691 states and 11372 transitions. [2021-11-23 01:03:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 5691 states and 11372 transitions. [2021-11-23 01:03:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:56,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11376 states to 5693 states and 11376 transitions. [2021-11-23 01:03:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5693 states and 11376 transitions. [2021-11-23 01:03:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:56,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11380 states to 5695 states and 11380 transitions. [2021-11-23 01:03:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 11380 transitions. [2021-11-23 01:03:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:56,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11384 states to 5697 states and 11384 transitions. [2021-11-23 01:03:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 5697 states and 11384 transitions. [2021-11-23 01:03:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:57,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11388 states to 5699 states and 11388 transitions. [2021-11-23 01:03:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 11388 transitions. [2021-11-23 01:03:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:57,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11392 states to 5701 states and 11392 transitions. [2021-11-23 01:03:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 11392 transitions. [2021-11-23 01:03:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:57,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11396 states to 5703 states and 11396 transitions. [2021-11-23 01:03:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 11396 transitions. [2021-11-23 01:03:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:57,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11400 states to 5705 states and 11400 transitions. [2021-11-23 01:03:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5705 states and 11400 transitions. [2021-11-23 01:03:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:57,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:57,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11404 states to 5707 states and 11404 transitions. [2021-11-23 01:03:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5707 states and 11404 transitions. [2021-11-23 01:03:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:58,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11408 states to 5709 states and 11408 transitions. [2021-11-23 01:03:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5709 states and 11408 transitions. [2021-11-23 01:03:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:58,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11412 states to 5711 states and 11412 transitions. [2021-11-23 01:03:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5711 states and 11412 transitions. [2021-11-23 01:03:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:58,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11416 states to 5713 states and 11416 transitions. [2021-11-23 01:03:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5713 states and 11416 transitions. [2021-11-23 01:03:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:58,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11420 states to 5715 states and 11420 transitions. [2021-11-23 01:03:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 11420 transitions. [2021-11-23 01:03:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:58,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11424 states to 5717 states and 11424 transitions. [2021-11-23 01:03:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 5717 states and 11424 transitions. [2021-11-23 01:03:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:59,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11428 states to 5719 states and 11428 transitions. [2021-11-23 01:03:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 5719 states and 11428 transitions. [2021-11-23 01:03:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:59,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11432 states to 5721 states and 11432 transitions. [2021-11-23 01:03:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 11432 transitions. [2021-11-23 01:03:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:59,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11436 states to 5723 states and 11436 transitions. [2021-11-23 01:03:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 11436 transitions. [2021-11-23 01:03:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:59,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11440 states to 5725 states and 11440 transitions. [2021-11-23 01:03:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5725 states and 11440 transitions. [2021-11-23 01:03:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:03:59,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 5727 states and 11444 transitions. [2021-11-23 01:04:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5727 states and 11444 transitions. [2021-11-23 01:04:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:00,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:00,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11448 states to 5729 states and 11448 transitions. [2021-11-23 01:04:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5729 states and 11448 transitions. [2021-11-23 01:04:00,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:00,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:00,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11452 states to 5731 states and 11452 transitions. [2021-11-23 01:04:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5731 states and 11452 transitions. [2021-11-23 01:04:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:00,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:00,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11456 states to 5733 states and 11456 transitions. [2021-11-23 01:04:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 11456 transitions. [2021-11-23 01:04:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:00,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:00,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11460 states to 5735 states and 11460 transitions. [2021-11-23 01:04:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5735 states and 11460 transitions. [2021-11-23 01:04:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:00,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:00,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:00,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11464 states to 5737 states and 11464 transitions. [2021-11-23 01:04:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5737 states and 11464 transitions. [2021-11-23 01:04:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:01,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11468 states to 5739 states and 11468 transitions. [2021-11-23 01:04:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5739 states and 11468 transitions. [2021-11-23 01:04:01,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:01,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 5741 states and 11472 transitions. [2021-11-23 01:04:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5741 states and 11472 transitions. [2021-11-23 01:04:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:01,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11476 states to 5743 states and 11476 transitions. [2021-11-23 01:04:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 5743 states and 11476 transitions. [2021-11-23 01:04:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:01,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11480 states to 5745 states and 11480 transitions. [2021-11-23 01:04:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5745 states and 11480 transitions. [2021-11-23 01:04:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:01,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:02,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11484 states to 5747 states and 11484 transitions. [2021-11-23 01:04:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 5747 states and 11484 transitions. [2021-11-23 01:04:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:02,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11488 states to 5749 states and 11488 transitions. [2021-11-23 01:04:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5749 states and 11488 transitions. [2021-11-23 01:04:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:02,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11492 states to 5751 states and 11492 transitions. [2021-11-23 01:04:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5751 states and 11492 transitions. [2021-11-23 01:04:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:02,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 5753 states and 11496 transitions. [2021-11-23 01:04:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5753 states and 11496 transitions. [2021-11-23 01:04:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:02,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11500 states to 5755 states and 11500 transitions. [2021-11-23 01:04:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 11500 transitions. [2021-11-23 01:04:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:02,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11504 states to 5757 states and 11504 transitions. [2021-11-23 01:04:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 11504 transitions. [2021-11-23 01:04:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:03,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11508 states to 5759 states and 11508 transitions. [2021-11-23 01:04:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5759 states and 11508 transitions. [2021-11-23 01:04:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:03,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11512 states to 5761 states and 11512 transitions. [2021-11-23 01:04:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5761 states and 11512 transitions. [2021-11-23 01:04:03,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:03,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11516 states to 5763 states and 11516 transitions. [2021-11-23 01:04:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 5763 states and 11516 transitions. [2021-11-23 01:04:03,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:03,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11520 states to 5765 states and 11520 transitions. [2021-11-23 01:04:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5765 states and 11520 transitions. [2021-11-23 01:04:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:03,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11524 states to 5767 states and 11524 transitions. [2021-11-23 01:04:04,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 11524 transitions. [2021-11-23 01:04:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:04,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:04,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:04,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11528 states to 5769 states and 11528 transitions. [2021-11-23 01:04:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 11528 transitions. [2021-11-23 01:04:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:04,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:04,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:04,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 5771 states and 11532 transitions. [2021-11-23 01:04:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5771 states and 11532 transitions. [2021-11-23 01:04:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:04,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:04,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:04,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11536 states to 5773 states and 11536 transitions. [2021-11-23 01:04:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 11536 transitions. [2021-11-23 01:04:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:04,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:04,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:04,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:04,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11540 states to 5775 states and 11540 transitions. [2021-11-23 01:04:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5775 states and 11540 transitions. [2021-11-23 01:04:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:04,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:04,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:04,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:04,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:05,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11544 states to 5777 states and 11544 transitions. [2021-11-23 01:04:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 11544 transitions. [2021-11-23 01:04:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:05,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:05,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11548 states to 5779 states and 11548 transitions. [2021-11-23 01:04:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5779 states and 11548 transitions. [2021-11-23 01:04:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:05,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:05,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11552 states to 5781 states and 11552 transitions. [2021-11-23 01:04:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 11552 transitions. [2021-11-23 01:04:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:05,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:05,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11556 states to 5783 states and 11556 transitions. [2021-11-23 01:04:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 11556 transitions. [2021-11-23 01:04:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:05,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:05,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11560 states to 5785 states and 11560 transitions. [2021-11-23 01:04:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 11560 transitions. [2021-11-23 01:04:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:06,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11564 states to 5787 states and 11564 transitions. [2021-11-23 01:04:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 5787 states and 11564 transitions. [2021-11-23 01:04:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:06,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11568 states to 5789 states and 11568 transitions. [2021-11-23 01:04:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 11568 transitions. [2021-11-23 01:04:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:06,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:06,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11572 states to 5791 states and 11572 transitions. [2021-11-23 01:04:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5791 states and 11572 transitions. [2021-11-23 01:04:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:06,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11576 states to 5793 states and 11576 transitions. [2021-11-23 01:04:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5793 states and 11576 transitions. [2021-11-23 01:04:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:06,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 5795 states and 11580 transitions. [2021-11-23 01:04:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 11580 transitions. [2021-11-23 01:04:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:07,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:07,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11584 states to 5797 states and 11584 transitions. [2021-11-23 01:04:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5797 states and 11584 transitions. [2021-11-23 01:04:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:07,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:07,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11588 states to 5799 states and 11588 transitions. [2021-11-23 01:04:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 5799 states and 11588 transitions. [2021-11-23 01:04:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:07,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:07,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11592 states to 5801 states and 11592 transitions. [2021-11-23 01:04:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5801 states and 11592 transitions. [2021-11-23 01:04:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:07,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:07,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11596 states to 5803 states and 11596 transitions. [2021-11-23 01:04:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 11596 transitions. [2021-11-23 01:04:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:07,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:07,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:07,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:07,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11600 states to 5805 states and 11600 transitions. [2021-11-23 01:04:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5805 states and 11600 transitions. [2021-11-23 01:04:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:08,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11604 states to 5807 states and 11604 transitions. [2021-11-23 01:04:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5807 states and 11604 transitions. [2021-11-23 01:04:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:08,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11608 states to 5809 states and 11608 transitions. [2021-11-23 01:04:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5809 states and 11608 transitions. [2021-11-23 01:04:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:08,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 5811 states and 11612 transitions. [2021-11-23 01:04:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5811 states and 11612 transitions. [2021-11-23 01:04:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:08,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11616 states to 5813 states and 11616 transitions. [2021-11-23 01:04:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 11616 transitions. [2021-11-23 01:04:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:08,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11620 states to 5815 states and 11620 transitions. [2021-11-23 01:04:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5815 states and 11620 transitions. [2021-11-23 01:04:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:09,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11624 states to 5817 states and 11624 transitions. [2021-11-23 01:04:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5817 states and 11624 transitions. [2021-11-23 01:04:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:09,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11628 states to 5819 states and 11628 transitions. [2021-11-23 01:04:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5819 states and 11628 transitions. [2021-11-23 01:04:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:09,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11632 states to 5821 states and 11632 transitions. [2021-11-23 01:04:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5821 states and 11632 transitions. [2021-11-23 01:04:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:09,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11636 states to 5823 states and 11636 transitions. [2021-11-23 01:04:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5823 states and 11636 transitions. [2021-11-23 01:04:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:09,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11640 states to 5825 states and 11640 transitions. [2021-11-23 01:04:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5825 states and 11640 transitions. [2021-11-23 01:04:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:10,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:10,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11644 states to 5827 states and 11644 transitions. [2021-11-23 01:04:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 5827 states and 11644 transitions. [2021-11-23 01:04:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:10,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:10,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11648 states to 5829 states and 11648 transitions. [2021-11-23 01:04:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5829 states and 11648 transitions. [2021-11-23 01:04:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:10,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:10,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11652 states to 5831 states and 11652 transitions. [2021-11-23 01:04:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5831 states and 11652 transitions. [2021-11-23 01:04:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:10,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:10,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 5833 states and 11656 transitions. [2021-11-23 01:04:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 11656 transitions. [2021-11-23 01:04:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:10,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:11,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11660 states to 5835 states and 11660 transitions. [2021-11-23 01:04:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 11660 transitions. [2021-11-23 01:04:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:11,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:11,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11664 states to 5837 states and 11664 transitions. [2021-11-23 01:04:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5837 states and 11664 transitions. [2021-11-23 01:04:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:11,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:11,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11668 states to 5839 states and 11668 transitions. [2021-11-23 01:04:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 11668 transitions. [2021-11-23 01:04:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:11,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:11,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11672 states to 5841 states and 11672 transitions. [2021-11-23 01:04:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 11672 transitions. [2021-11-23 01:04:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:11,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:11,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:11,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:11,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11676 states to 5843 states and 11676 transitions. [2021-11-23 01:04:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5843 states and 11676 transitions. [2021-11-23 01:04:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:12,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:12,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11680 states to 5845 states and 11680 transitions. [2021-11-23 01:04:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 5845 states and 11680 transitions. [2021-11-23 01:04:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:12,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:12,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11684 states to 5847 states and 11684 transitions. [2021-11-23 01:04:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 11684 transitions. [2021-11-23 01:04:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:12,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:12,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11688 states to 5849 states and 11688 transitions. [2021-11-23 01:04:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand 5849 states and 11688 transitions. [2021-11-23 01:04:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:12,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:12,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11692 states to 5851 states and 11692 transitions. [2021-11-23 01:04:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5851 states and 11692 transitions. [2021-11-23 01:04:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:12,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:12,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:12,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:12,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11696 states to 5853 states and 11696 transitions. [2021-11-23 01:04:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5853 states and 11696 transitions. [2021-11-23 01:04:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:13,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11700 states to 5855 states and 11700 transitions. [2021-11-23 01:04:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 11700 transitions. [2021-11-23 01:04:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:13,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11704 states to 5857 states and 11704 transitions. [2021-11-23 01:04:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5857 states and 11704 transitions. [2021-11-23 01:04:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:13,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11708 states to 5859 states and 11708 transitions. [2021-11-23 01:04:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5859 states and 11708 transitions. [2021-11-23 01:04:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:13,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11712 states to 5861 states and 11712 transitions. [2021-11-23 01:04:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5861 states and 11712 transitions. [2021-11-23 01:04:13,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:13,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11716 states to 5863 states and 11716 transitions. [2021-11-23 01:04:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 11716 transitions. [2021-11-23 01:04:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:14,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11720 states to 5865 states and 11720 transitions. [2021-11-23 01:04:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 11720 transitions. [2021-11-23 01:04:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:14,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11724 states to 5867 states and 11724 transitions. [2021-11-23 01:04:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 5867 states and 11724 transitions. [2021-11-23 01:04:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:14,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11728 states to 5869 states and 11728 transitions. [2021-11-23 01:04:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5869 states and 11728 transitions. [2021-11-23 01:04:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:14,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11732 states to 5871 states and 11732 transitions. [2021-11-23 01:04:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5871 states and 11732 transitions. [2021-11-23 01:04:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:14,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11736 states to 5873 states and 11736 transitions. [2021-11-23 01:04:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5873 states and 11736 transitions. [2021-11-23 01:04:15,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:15,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11740 states to 5875 states and 11740 transitions. [2021-11-23 01:04:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 11740 transitions. [2021-11-23 01:04:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:15,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11744 states to 5877 states and 11744 transitions. [2021-11-23 01:04:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5877 states and 11744 transitions. [2021-11-23 01:04:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:15,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11748 states to 5879 states and 11748 transitions. [2021-11-23 01:04:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 11748 transitions. [2021-11-23 01:04:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:15,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11752 states to 5881 states and 11752 transitions. [2021-11-23 01:04:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 11752 transitions. [2021-11-23 01:04:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:15,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11756 states to 5883 states and 11756 transitions. [2021-11-23 01:04:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5883 states and 11756 transitions. [2021-11-23 01:04:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:16,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 5885 states and 11760 transitions. [2021-11-23 01:04:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 11760 transitions. [2021-11-23 01:04:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:16,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 5887 states and 11764 transitions. [2021-11-23 01:04:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 11764 transitions. [2021-11-23 01:04:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:16,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 5889 states and 11768 transitions. [2021-11-23 01:04:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5889 states and 11768 transitions. [2021-11-23 01:04:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:16,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11772 states to 5891 states and 11772 transitions. [2021-11-23 01:04:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 11772 transitions. [2021-11-23 01:04:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:16,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11776 states to 5893 states and 11776 transitions. [2021-11-23 01:04:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5893 states and 11776 transitions. [2021-11-23 01:04:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:17,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11780 states to 5895 states and 11780 transitions. [2021-11-23 01:04:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5895 states and 11780 transitions. [2021-11-23 01:04:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:17,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11784 states to 5897 states and 11784 transitions. [2021-11-23 01:04:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 11784 transitions. [2021-11-23 01:04:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:17,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11788 states to 5899 states and 11788 transitions. [2021-11-23 01:04:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 5899 states and 11788 transitions. [2021-11-23 01:04:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:17,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11792 states to 5901 states and 11792 transitions. [2021-11-23 01:04:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5901 states and 11792 transitions. [2021-11-23 01:04:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:17,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11796 states to 5903 states and 11796 transitions. [2021-11-23 01:04:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 11796 transitions. [2021-11-23 01:04:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:18,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11800 states to 5905 states and 11800 transitions. [2021-11-23 01:04:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5905 states and 11800 transitions. [2021-11-23 01:04:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:18,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11804 states to 5907 states and 11804 transitions. [2021-11-23 01:04:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5907 states and 11804 transitions. [2021-11-23 01:04:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11808 states to 5909 states and 11808 transitions. [2021-11-23 01:04:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 11808 transitions. [2021-11-23 01:04:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:18,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11812 states to 5911 states and 11812 transitions. [2021-11-23 01:04:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 5911 states and 11812 transitions. [2021-11-23 01:04:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:19,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11816 states to 5913 states and 11816 transitions. [2021-11-23 01:04:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 11816 transitions. [2021-11-23 01:04:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:19,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11820 states to 5915 states and 11820 transitions. [2021-11-23 01:04:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5915 states and 11820 transitions. [2021-11-23 01:04:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:19,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11824 states to 5917 states and 11824 transitions. [2021-11-23 01:04:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5917 states and 11824 transitions. [2021-11-23 01:04:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:19,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11828 states to 5919 states and 11828 transitions. [2021-11-23 01:04:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 5919 states and 11828 transitions. [2021-11-23 01:04:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:19,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11832 states to 5921 states and 11832 transitions. [2021-11-23 01:04:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 11832 transitions. [2021-11-23 01:04:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:20,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11836 states to 5923 states and 11836 transitions. [2021-11-23 01:04:20,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 11836 transitions. [2021-11-23 01:04:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:20,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 5925 states and 11840 transitions. [2021-11-23 01:04:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5925 states and 11840 transitions. [2021-11-23 01:04:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:20,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11844 states to 5927 states and 11844 transitions. [2021-11-23 01:04:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 11844 transitions. [2021-11-23 01:04:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:20,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 5929 states and 11848 transitions. [2021-11-23 01:04:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5929 states and 11848 transitions. [2021-11-23 01:04:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:20,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11852 states to 5931 states and 11852 transitions. [2021-11-23 01:04:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 11852 transitions. [2021-11-23 01:04:21,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:21,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11856 states to 5933 states and 11856 transitions. [2021-11-23 01:04:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5933 states and 11856 transitions. [2021-11-23 01:04:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:21,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11860 states to 5935 states and 11860 transitions. [2021-11-23 01:04:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 5935 states and 11860 transitions. [2021-11-23 01:04:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:21,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11864 states to 5937 states and 11864 transitions. [2021-11-23 01:04:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 5937 states and 11864 transitions. [2021-11-23 01:04:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:21,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11868 states to 5939 states and 11868 transitions. [2021-11-23 01:04:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 5939 states and 11868 transitions. [2021-11-23 01:04:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:21,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:21,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:21,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11872 states to 5941 states and 11872 transitions. [2021-11-23 01:04:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5941 states and 11872 transitions. [2021-11-23 01:04:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:22,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11876 states to 5943 states and 11876 transitions. [2021-11-23 01:04:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 5943 states and 11876 transitions. [2021-11-23 01:04:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:22,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11880 states to 5945 states and 11880 transitions. [2021-11-23 01:04:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 11880 transitions. [2021-11-23 01:04:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:22,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11884 states to 5947 states and 11884 transitions. [2021-11-23 01:04:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5947 states and 11884 transitions. [2021-11-23 01:04:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:22,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:22,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:22,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11888 states to 5949 states and 11888 transitions. [2021-11-23 01:04:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 11888 transitions. [2021-11-23 01:04:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:23,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:23,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11892 states to 5951 states and 11892 transitions. [2021-11-23 01:04:23,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5951 states and 11892 transitions. [2021-11-23 01:04:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:23,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:23,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11896 states to 5953 states and 11896 transitions. [2021-11-23 01:04:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 11896 transitions. [2021-11-23 01:04:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:23,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:23,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11900 states to 5955 states and 11900 transitions. [2021-11-23 01:04:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 11900 transitions. [2021-11-23 01:04:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:23,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:23,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11904 states to 5957 states and 11904 transitions. [2021-11-23 01:04:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5957 states and 11904 transitions. [2021-11-23 01:04:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:23,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:23,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11908 states to 5959 states and 11908 transitions. [2021-11-23 01:04:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 11908 transitions. [2021-11-23 01:04:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:24,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 5961 states and 11912 transitions. [2021-11-23 01:04:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5961 states and 11912 transitions. [2021-11-23 01:04:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:24,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11916 states to 5963 states and 11916 transitions. [2021-11-23 01:04:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5963 states and 11916 transitions. [2021-11-23 01:04:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:24,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11920 states to 5965 states and 11920 transitions. [2021-11-23 01:04:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5965 states and 11920 transitions. [2021-11-23 01:04:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:24,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 5967 states and 11924 transitions. [2021-11-23 01:04:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 5967 states and 11924 transitions. [2021-11-23 01:04:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:24,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:24,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:24,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11928 states to 5969 states and 11928 transitions. [2021-11-23 01:04:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5969 states and 11928 transitions. [2021-11-23 01:04:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:25,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11932 states to 5971 states and 11932 transitions. [2021-11-23 01:04:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 5971 states and 11932 transitions. [2021-11-23 01:04:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:25,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11936 states to 5973 states and 11936 transitions. [2021-11-23 01:04:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5973 states and 11936 transitions. [2021-11-23 01:04:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:25,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11940 states to 5975 states and 11940 transitions. [2021-11-23 01:04:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5975 states and 11940 transitions. [2021-11-23 01:04:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:25,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11944 states to 5977 states and 11944 transitions. [2021-11-23 01:04:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 5977 states and 11944 transitions. [2021-11-23 01:04:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:25,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11948 states to 5979 states and 11948 transitions. [2021-11-23 01:04:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5979 states and 11948 transitions. [2021-11-23 01:04:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:26,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:26,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:26,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11952 states to 5981 states and 11952 transitions. [2021-11-23 01:04:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 5981 states and 11952 transitions. [2021-11-23 01:04:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:26,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:26,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:26,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11956 states to 5983 states and 11956 transitions. [2021-11-23 01:04:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5983 states and 11956 transitions. [2021-11-23 01:04:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:26,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:26,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:26,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11960 states to 5985 states and 11960 transitions. [2021-11-23 01:04:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5985 states and 11960 transitions. [2021-11-23 01:04:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:26,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:26,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:26,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:26,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11964 states to 5987 states and 11964 transitions. [2021-11-23 01:04:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 11964 transitions. [2021-11-23 01:04:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:27,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11968 states to 5989 states and 11968 transitions. [2021-11-23 01:04:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5989 states and 11968 transitions. [2021-11-23 01:04:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:27,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11972 states to 5991 states and 11972 transitions. [2021-11-23 01:04:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5991 states and 11972 transitions. [2021-11-23 01:04:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:27,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11976 states to 5993 states and 11976 transitions. [2021-11-23 01:04:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 5993 states and 11976 transitions. [2021-11-23 01:04:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:27,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11980 states to 5995 states and 11980 transitions. [2021-11-23 01:04:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5995 states and 11980 transitions. [2021-11-23 01:04:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:27,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11984 states to 5997 states and 11984 transitions. [2021-11-23 01:04:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5997 states and 11984 transitions. [2021-11-23 01:04:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:28,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11988 states to 5999 states and 11988 transitions. [2021-11-23 01:04:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5999 states and 11988 transitions. [2021-11-23 01:04:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:28,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11992 states to 6001 states and 11992 transitions. [2021-11-23 01:04:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6001 states and 11992 transitions. [2021-11-23 01:04:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:28,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11996 states to 6003 states and 11996 transitions. [2021-11-23 01:04:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 11996 transitions. [2021-11-23 01:04:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:28,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:28,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:28,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:28,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12000 states to 6005 states and 12000 transitions. [2021-11-23 01:04:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 6005 states and 12000 transitions. [2021-11-23 01:04:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:29,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:29,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12004 states to 6007 states and 12004 transitions. [2021-11-23 01:04:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6007 states and 12004 transitions. [2021-11-23 01:04:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:29,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:29,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12008 states to 6009 states and 12008 transitions. [2021-11-23 01:04:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 12008 transitions. [2021-11-23 01:04:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:29,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:29,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12012 states to 6011 states and 12012 transitions. [2021-11-23 01:04:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6011 states and 12012 transitions. [2021-11-23 01:04:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:29,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:29,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12016 states to 6013 states and 12016 transitions. [2021-11-23 01:04:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 12016 transitions. [2021-11-23 01:04:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:29,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:29,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:29,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:29,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12020 states to 6015 states and 12020 transitions. [2021-11-23 01:04:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6015 states and 12020 transitions. [2021-11-23 01:04:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:30,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:30,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12024 states to 6017 states and 12024 transitions. [2021-11-23 01:04:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 12024 transitions. [2021-11-23 01:04:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:30,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:30,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12028 states to 6019 states and 12028 transitions. [2021-11-23 01:04:30,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 12028 transitions. [2021-11-23 01:04:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:30,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:30,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12032 states to 6021 states and 12032 transitions. [2021-11-23 01:04:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6021 states and 12032 transitions. [2021-11-23 01:04:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:30,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:30,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12036 states to 6023 states and 12036 transitions. [2021-11-23 01:04:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 12036 transitions. [2021-11-23 01:04:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:31,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12040 states to 6025 states and 12040 transitions. [2021-11-23 01:04:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 6025 states and 12040 transitions. [2021-11-23 01:04:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:31,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12044 states to 6027 states and 12044 transitions. [2021-11-23 01:04:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 12044 transitions. [2021-11-23 01:04:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:31,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12048 states to 6029 states and 12048 transitions. [2021-11-23 01:04:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6029 states and 12048 transitions. [2021-11-23 01:04:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:31,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12052 states to 6031 states and 12052 transitions. [2021-11-23 01:04:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6031 states and 12052 transitions. [2021-11-23 01:04:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:31,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:31,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:31,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12056 states to 6033 states and 12056 transitions. [2021-11-23 01:04:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 12056 transitions. [2021-11-23 01:04:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:32,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12060 states to 6035 states and 12060 transitions. [2021-11-23 01:04:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 6035 states and 12060 transitions. [2021-11-23 01:04:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:32,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12064 states to 6037 states and 12064 transitions. [2021-11-23 01:04:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6037 states and 12064 transitions. [2021-11-23 01:04:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:32,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12068 states to 6039 states and 12068 transitions. [2021-11-23 01:04:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 6039 states and 12068 transitions. [2021-11-23 01:04:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:32,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12072 states to 6041 states and 12072 transitions. [2021-11-23 01:04:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 12072 transitions. [2021-11-23 01:04:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:33,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12076 states to 6043 states and 12076 transitions. [2021-11-23 01:04:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 12076 transitions. [2021-11-23 01:04:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:33,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12080 states to 6045 states and 12080 transitions. [2021-11-23 01:04:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 6045 states and 12080 transitions. [2021-11-23 01:04:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:33,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12084 states to 6047 states and 12084 transitions. [2021-11-23 01:04:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6047 states and 12084 transitions. [2021-11-23 01:04:33,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:33,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12088 states to 6049 states and 12088 transitions. [2021-11-23 01:04:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 6049 states and 12088 transitions. [2021-11-23 01:04:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:33,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:33,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:33,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:33,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12092 states to 6051 states and 12092 transitions. [2021-11-23 01:04:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 6051 states and 12092 transitions. [2021-11-23 01:04:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:34,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:34,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12096 states to 6053 states and 12096 transitions. [2021-11-23 01:04:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 12096 transitions. [2021-11-23 01:04:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:34,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:34,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12100 states to 6055 states and 12100 transitions. [2021-11-23 01:04:34,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6055 states and 12100 transitions. [2021-11-23 01:04:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:34,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:34,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 6057 states and 12104 transitions. [2021-11-23 01:04:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6057 states and 12104 transitions. [2021-11-23 01:04:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:34,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:34,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:34,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12108 states to 6059 states and 12108 transitions. [2021-11-23 01:04:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 12108 transitions. [2021-11-23 01:04:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:35,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12112 states to 6061 states and 12112 transitions. [2021-11-23 01:04:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 6061 states and 12112 transitions. [2021-11-23 01:04:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:35,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12116 states to 6063 states and 12116 transitions. [2021-11-23 01:04:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 6063 states and 12116 transitions. [2021-11-23 01:04:35,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:35,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12120 states to 6065 states and 12120 transitions. [2021-11-23 01:04:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6065 states and 12120 transitions. [2021-11-23 01:04:35,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:35,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12124 states to 6067 states and 12124 transitions. [2021-11-23 01:04:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 12124 transitions. [2021-11-23 01:04:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:35,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:35,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12128 states to 6069 states and 12128 transitions. [2021-11-23 01:04:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 6069 states and 12128 transitions. [2021-11-23 01:04:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:36,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:36,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12132 states to 6071 states and 12132 transitions. [2021-11-23 01:04:36,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6071 states and 12132 transitions. [2021-11-23 01:04:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:36,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:36,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12136 states to 6073 states and 12136 transitions. [2021-11-23 01:04:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 6073 states and 12136 transitions. [2021-11-23 01:04:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:36,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:36,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12140 states to 6075 states and 12140 transitions. [2021-11-23 01:04:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 12140 transitions. [2021-11-23 01:04:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:36,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:36,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:36,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12144 states to 6077 states and 12144 transitions. [2021-11-23 01:04:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 6077 states and 12144 transitions. [2021-11-23 01:04:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:37,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:37,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12148 states to 6079 states and 12148 transitions. [2021-11-23 01:04:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 12148 transitions. [2021-11-23 01:04:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:37,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:37,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12152 states to 6081 states and 12152 transitions. [2021-11-23 01:04:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 12152 transitions. [2021-11-23 01:04:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:37,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:37,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12156 states to 6083 states and 12156 transitions. [2021-11-23 01:04:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 12156 transitions. [2021-11-23 01:04:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:37,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:37,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 6085 states and 12160 transitions. [2021-11-23 01:04:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 6085 states and 12160 transitions. [2021-11-23 01:04:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:38,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:38,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 6087 states and 12164 transitions. [2021-11-23 01:04:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 12164 transitions. [2021-11-23 01:04:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:38,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:38,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12168 states to 6089 states and 12168 transitions. [2021-11-23 01:04:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 12168 transitions. [2021-11-23 01:04:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:38,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:38,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12172 states to 6091 states and 12172 transitions. [2021-11-23 01:04:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 12172 transitions. [2021-11-23 01:04:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:38,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:38,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12176 states to 6093 states and 12176 transitions. [2021-11-23 01:04:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 12176 transitions. [2021-11-23 01:04:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:38,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:38,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:38,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:38,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12180 states to 6095 states and 12180 transitions. [2021-11-23 01:04:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6095 states and 12180 transitions. [2021-11-23 01:04:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:39,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:39,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12184 states to 6097 states and 12184 transitions. [2021-11-23 01:04:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6097 states and 12184 transitions. [2021-11-23 01:04:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:39,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:39,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12188 states to 6099 states and 12188 transitions. [2021-11-23 01:04:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 6099 states and 12188 transitions. [2021-11-23 01:04:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:39,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:39,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12192 states to 6101 states and 12192 transitions. [2021-11-23 01:04:39,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 12192 transitions. [2021-11-23 01:04:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:39,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:39,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:39,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12196 states to 6103 states and 12196 transitions. [2021-11-23 01:04:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6103 states and 12196 transitions. [2021-11-23 01:04:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:40,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12200 states to 6105 states and 12200 transitions. [2021-11-23 01:04:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6105 states and 12200 transitions. [2021-11-23 01:04:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:40,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12204 states to 6107 states and 12204 transitions. [2021-11-23 01:04:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 12204 transitions. [2021-11-23 01:04:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:40,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12208 states to 6109 states and 12208 transitions. [2021-11-23 01:04:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6109 states and 12208 transitions. [2021-11-23 01:04:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:40,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12212 states to 6111 states and 12212 transitions. [2021-11-23 01:04:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6111 states and 12212 transitions. [2021-11-23 01:04:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:40,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:40,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12216 states to 6113 states and 12216 transitions. [2021-11-23 01:04:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6113 states and 12216 transitions. [2021-11-23 01:04:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:41,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12220 states to 6115 states and 12220 transitions. [2021-11-23 01:04:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6115 states and 12220 transitions. [2021-11-23 01:04:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:41,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:41,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12224 states to 6117 states and 12224 transitions. [2021-11-23 01:04:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 12224 transitions. [2021-11-23 01:04:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:41,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:41,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 6119 states and 12228 transitions. [2021-11-23 01:04:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 12228 transitions. [2021-11-23 01:04:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:41,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:41,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:41,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:41,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12232 states to 6121 states and 12232 transitions. [2021-11-23 01:04:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6121 states and 12232 transitions. [2021-11-23 01:04:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:42,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:42,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12236 states to 6123 states and 12236 transitions. [2021-11-23 01:04:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6123 states and 12236 transitions. [2021-11-23 01:04:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:42,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12240 states to 6125 states and 12240 transitions. [2021-11-23 01:04:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6125 states and 12240 transitions. [2021-11-23 01:04:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:42,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12244 states to 6127 states and 12244 transitions. [2021-11-23 01:04:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6127 states and 12244 transitions. [2021-11-23 01:04:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:42,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12248 states to 6129 states and 12248 transitions. [2021-11-23 01:04:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6129 states and 12248 transitions. [2021-11-23 01:04:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:42,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12252 states to 6131 states and 12252 transitions. [2021-11-23 01:04:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 6131 states and 12252 transitions. [2021-11-23 01:04:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:43,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12256 states to 6133 states and 12256 transitions. [2021-11-23 01:04:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6133 states and 12256 transitions. [2021-11-23 01:04:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:43,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:43,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 6135 states and 12260 transitions. [2021-11-23 01:04:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 6135 states and 12260 transitions. [2021-11-23 01:04:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:43,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:43,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12264 states to 6137 states and 12264 transitions. [2021-11-23 01:04:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 12264 transitions. [2021-11-23 01:04:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:43,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:43,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12268 states to 6139 states and 12268 transitions. [2021-11-23 01:04:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 6139 states and 12268 transitions. [2021-11-23 01:04:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:44,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12272 states to 6141 states and 12272 transitions. [2021-11-23 01:04:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 12272 transitions. [2021-11-23 01:04:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:44,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12276 states to 6143 states and 12276 transitions. [2021-11-23 01:04:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6143 states and 12276 transitions. [2021-11-23 01:04:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:44,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 6145 states and 12280 transitions. [2021-11-23 01:04:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 12280 transitions. [2021-11-23 01:04:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:44,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12284 states to 6147 states and 12284 transitions. [2021-11-23 01:04:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 12284 transitions. [2021-11-23 01:04:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:44,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12288 states to 6149 states and 12288 transitions. [2021-11-23 01:04:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 12288 transitions. [2021-11-23 01:04:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:45,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:45,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12292 states to 6151 states and 12292 transitions. [2021-11-23 01:04:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 12292 transitions. [2021-11-23 01:04:45,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:45,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:45,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12296 states to 6153 states and 12296 transitions. [2021-11-23 01:04:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6153 states and 12296 transitions. [2021-11-23 01:04:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:45,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:45,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12300 states to 6155 states and 12300 transitions. [2021-11-23 01:04:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 6155 states and 12300 transitions. [2021-11-23 01:04:45,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:45,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:45,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:45,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:45,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12304 states to 6157 states and 12304 transitions. [2021-11-23 01:04:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6157 states and 12304 transitions. [2021-11-23 01:04:46,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:46,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:46,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12308 states to 6159 states and 12308 transitions. [2021-11-23 01:04:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 6159 states and 12308 transitions. [2021-11-23 01:04:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:46,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:46,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12312 states to 6161 states and 12312 transitions. [2021-11-23 01:04:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 6161 states and 12312 transitions. [2021-11-23 01:04:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:46,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:46,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12316 states to 6163 states and 12316 transitions. [2021-11-23 01:04:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 6163 states and 12316 transitions. [2021-11-23 01:04:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:46,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:46,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:46,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12320 states to 6165 states and 12320 transitions. [2021-11-23 01:04:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 6165 states and 12320 transitions. [2021-11-23 01:04:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:47,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:47,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:47,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12324 states to 6167 states and 12324 transitions. [2021-11-23 01:04:47,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6167 states and 12324 transitions. [2021-11-23 01:04:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:47,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:47,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:47,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12328 states to 6169 states and 12328 transitions. [2021-11-23 01:04:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6169 states and 12328 transitions. [2021-11-23 01:04:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:47,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:47,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:47,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12332 states to 6171 states and 12332 transitions. [2021-11-23 01:04:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6171 states and 12332 transitions. [2021-11-23 01:04:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:47,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:47,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:47,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12336 states to 6173 states and 12336 transitions. [2021-11-23 01:04:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 12336 transitions. [2021-11-23 01:04:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:48,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:48,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12340 states to 6175 states and 12340 transitions. [2021-11-23 01:04:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 6175 states and 12340 transitions. [2021-11-23 01:04:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:48,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:48,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12344 states to 6177 states and 12344 transitions. [2021-11-23 01:04:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 6177 states and 12344 transitions. [2021-11-23 01:04:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:48,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:48,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12348 states to 6179 states and 12348 transitions. [2021-11-23 01:04:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 6179 states and 12348 transitions. [2021-11-23 01:04:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:48,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:48,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:48,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:48,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12352 states to 6181 states and 12352 transitions. [2021-11-23 01:04:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 6181 states and 12352 transitions. [2021-11-23 01:04:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:49,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:49,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12356 states to 6183 states and 12356 transitions. [2021-11-23 01:04:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6183 states and 12356 transitions. [2021-11-23 01:04:49,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:49,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:49,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12360 states to 6185 states and 12360 transitions. [2021-11-23 01:04:49,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 12360 transitions. [2021-11-23 01:04:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:49,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:49,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12364 states to 6187 states and 12364 transitions. [2021-11-23 01:04:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 12364 transitions. [2021-11-23 01:04:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:49,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:49,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12368 states to 6189 states and 12368 transitions. [2021-11-23 01:04:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 6189 states and 12368 transitions. [2021-11-23 01:04:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:50,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:50,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12372 states to 6191 states and 12372 transitions. [2021-11-23 01:04:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 6191 states and 12372 transitions. [2021-11-23 01:04:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:50,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:50,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12376 states to 6193 states and 12376 transitions. [2021-11-23 01:04:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 12376 transitions. [2021-11-23 01:04:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:50,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:50,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12380 states to 6195 states and 12380 transitions. [2021-11-23 01:04:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 6195 states and 12380 transitions. [2021-11-23 01:04:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:50,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:50,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:50,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12384 states to 6197 states and 12384 transitions. [2021-11-23 01:04:50,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6197 states and 12384 transitions. [2021-11-23 01:04:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:50,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:50,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12388 states to 6199 states and 12388 transitions. [2021-11-23 01:04:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 6199 states and 12388 transitions. [2021-11-23 01:04:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:51,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:51,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:51,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:51,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:51,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12392 states to 6201 states and 12392 transitions. [2021-11-23 01:04:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6201 states and 12392 transitions. [2021-11-23 01:04:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:51,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:51,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:51,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:51,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12396 states to 6203 states and 12396 transitions. [2021-11-23 01:04:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6203 states and 12396 transitions. [2021-11-23 01:04:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:51,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:51,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:51,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:51,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12400 states to 6205 states and 12400 transitions. [2021-11-23 01:04:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 12400 transitions. [2021-11-23 01:04:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:52,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:52,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12404 states to 6207 states and 12404 transitions. [2021-11-23 01:04:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 12404 transitions. [2021-11-23 01:04:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:52,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:52,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12408 states to 6209 states and 12408 transitions. [2021-11-23 01:04:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 6209 states and 12408 transitions. [2021-11-23 01:04:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:52,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:52,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12412 states to 6211 states and 12412 transitions. [2021-11-23 01:04:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 6211 states and 12412 transitions. [2021-11-23 01:04:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:52,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:52,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:52,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12416 states to 6213 states and 12416 transitions. [2021-11-23 01:04:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 12416 transitions. [2021-11-23 01:04:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:53,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:53,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12420 states to 6215 states and 12420 transitions. [2021-11-23 01:04:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6215 states and 12420 transitions. [2021-11-23 01:04:53,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:53,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:53,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:53,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12424 states to 6217 states and 12424 transitions. [2021-11-23 01:04:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 6217 states and 12424 transitions. [2021-11-23 01:04:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:53,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:53,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:53,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12428 states to 6219 states and 12428 transitions. [2021-11-23 01:04:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 12428 transitions. [2021-11-23 01:04:53,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:53,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:53,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:54,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12432 states to 6221 states and 12432 transitions. [2021-11-23 01:04:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6221 states and 12432 transitions. [2021-11-23 01:04:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:54,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:54,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:54,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:54,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12436 states to 6223 states and 12436 transitions. [2021-11-23 01:04:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 6223 states and 12436 transitions. [2021-11-23 01:04:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:54,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:54,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:54,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12440 states to 6225 states and 12440 transitions. [2021-11-23 01:04:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 6225 states and 12440 transitions. [2021-11-23 01:04:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:54,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:54,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:54,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12444 states to 6227 states and 12444 transitions. [2021-11-23 01:04:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 12444 transitions. [2021-11-23 01:04:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:55,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:55,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12448 states to 6229 states and 12448 transitions. [2021-11-23 01:04:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6229 states and 12448 transitions. [2021-11-23 01:04:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:55,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:55,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12452 states to 6231 states and 12452 transitions. [2021-11-23 01:04:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 12452 transitions. [2021-11-23 01:04:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:55,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:55,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:55,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12456 states to 6233 states and 12456 transitions. [2021-11-23 01:04:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6233 states and 12456 transitions. [2021-11-23 01:04:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:55,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:55,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:55,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:55,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12460 states to 6235 states and 12460 transitions. [2021-11-23 01:04:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6235 states and 12460 transitions. [2021-11-23 01:04:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:56,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:56,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12464 states to 6237 states and 12464 transitions. [2021-11-23 01:04:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 12464 transitions. [2021-11-23 01:04:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:56,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:56,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12468 states to 6239 states and 12468 transitions. [2021-11-23 01:04:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 12468 transitions. [2021-11-23 01:04:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:56,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:56,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12472 states to 6241 states and 12472 transitions. [2021-11-23 01:04:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 12472 transitions. [2021-11-23 01:04:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:56,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:56,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:56,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12476 states to 6243 states and 12476 transitions. [2021-11-23 01:04:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6243 states and 12476 transitions. [2021-11-23 01:04:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:57,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:57,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:57,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12480 states to 6245 states and 12480 transitions. [2021-11-23 01:04:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 12480 transitions. [2021-11-23 01:04:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:57,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:57,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12484 states to 6247 states and 12484 transitions. [2021-11-23 01:04:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 6247 states and 12484 transitions. [2021-11-23 01:04:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:57,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:57,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:57,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:57,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12488 states to 6249 states and 12488 transitions. [2021-11-23 01:04:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6249 states and 12488 transitions. [2021-11-23 01:04:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:57,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:57,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:57,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12492 states to 6251 states and 12492 transitions. [2021-11-23 01:04:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 6251 states and 12492 transitions. [2021-11-23 01:04:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:58,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:58,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:58,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12496 states to 6253 states and 12496 transitions. [2021-11-23 01:04:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 6253 states and 12496 transitions. [2021-11-23 01:04:58,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:58,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:58,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:58,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12500 states to 6255 states and 12500 transitions. [2021-11-23 01:04:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 12500 transitions. [2021-11-23 01:04:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:58,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:58,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:58,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12504 states to 6257 states and 12504 transitions. [2021-11-23 01:04:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 12504 transitions. [2021-11-23 01:04:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:58,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:58,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:58,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12508 states to 6259 states and 12508 transitions. [2021-11-23 01:04:59,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 12508 transitions. [2021-11-23 01:04:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:59,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 6261 states and 12512 transitions. [2021-11-23 01:04:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 12512 transitions. [2021-11-23 01:04:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:59,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12516 states to 6263 states and 12516 transitions. [2021-11-23 01:04:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 12516 transitions. [2021-11-23 01:04:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:59,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12520 states to 6265 states and 12520 transitions. [2021-11-23 01:04:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6265 states and 12520 transitions. [2021-11-23 01:04:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:04:59,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12524 states to 6267 states and 12524 transitions. [2021-11-23 01:05:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 6267 states and 12524 transitions. [2021-11-23 01:05:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:00,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:00,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:00,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 6269 states and 12528 transitions. [2021-11-23 01:05:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6269 states and 12528 transitions. [2021-11-23 01:05:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:00,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:00,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:00,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 6271 states and 12532 transitions. [2021-11-23 01:05:00,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6271 states and 12532 transitions. [2021-11-23 01:05:00,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:00,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:00,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:00,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12536 states to 6273 states and 12536 transitions. [2021-11-23 01:05:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6273 states and 12536 transitions. [2021-11-23 01:05:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:00,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:00,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:00,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:00,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12540 states to 6275 states and 12540 transitions. [2021-11-23 01:05:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6275 states and 12540 transitions. [2021-11-23 01:05:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:01,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:01,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:01,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:01,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12544 states to 6277 states and 12544 transitions. [2021-11-23 01:05:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 12544 transitions. [2021-11-23 01:05:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:01,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:01,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:01,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:01,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12548 states to 6279 states and 12548 transitions. [2021-11-23 01:05:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 12548 transitions. [2021-11-23 01:05:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:01,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:01,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:01,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 6281 states and 12552 transitions. [2021-11-23 01:05:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 12552 transitions. [2021-11-23 01:05:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:01,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:01,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:01,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:01,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12556 states to 6283 states and 12556 transitions. [2021-11-23 01:05:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 6283 states and 12556 transitions. [2021-11-23 01:05:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:02,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:02,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12560 states to 6285 states and 12560 transitions. [2021-11-23 01:05:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6285 states and 12560 transitions. [2021-11-23 01:05:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:02,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:02,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12564 states to 6287 states and 12564 transitions. [2021-11-23 01:05:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 6287 states and 12564 transitions. [2021-11-23 01:05:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:02,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12568 states to 6289 states and 12568 transitions. [2021-11-23 01:05:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6289 states and 12568 transitions. [2021-11-23 01:05:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:02,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:02,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:02,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:02,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:03,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12572 states to 6291 states and 12572 transitions. [2021-11-23 01:05:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 6291 states and 12572 transitions. [2021-11-23 01:05:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:03,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:03,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:03,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:03,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12576 states to 6293 states and 12576 transitions. [2021-11-23 01:05:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 12576 transitions. [2021-11-23 01:05:03,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:03,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:03,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:03,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:03,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:03,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12580 states to 6295 states and 12580 transitions. [2021-11-23 01:05:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 12580 transitions. [2021-11-23 01:05:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:03,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:03,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:03,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:03,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12584 states to 6297 states and 12584 transitions. [2021-11-23 01:05:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6297 states and 12584 transitions. [2021-11-23 01:05:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:03,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:03,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12588 states to 6299 states and 12588 transitions. [2021-11-23 01:05:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 12588 transitions. [2021-11-23 01:05:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:04,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:04,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12592 states to 6301 states and 12592 transitions. [2021-11-23 01:05:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 12592 transitions. [2021-11-23 01:05:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:04,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12596 states to 6303 states and 12596 transitions. [2021-11-23 01:05:04,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6303 states and 12596 transitions. [2021-11-23 01:05:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:04,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:04,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12600 states to 6305 states and 12600 transitions. [2021-11-23 01:05:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6305 states and 12600 transitions. [2021-11-23 01:05:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:05,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12604 states to 6307 states and 12604 transitions. [2021-11-23 01:05:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 12604 transitions. [2021-11-23 01:05:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:05,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:05,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 6309 states and 12608 transitions. [2021-11-23 01:05:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 12608 transitions. [2021-11-23 01:05:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:05,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:05,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:05,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12612 states to 6311 states and 12612 transitions. [2021-11-23 01:05:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 12612 transitions. [2021-11-23 01:05:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:05,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:05,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:05,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:05,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12616 states to 6313 states and 12616 transitions. [2021-11-23 01:05:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 12616 transitions. [2021-11-23 01:05:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:06,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:06,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12620 states to 6315 states and 12620 transitions. [2021-11-23 01:05:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 6315 states and 12620 transitions. [2021-11-23 01:05:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:06,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:06,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 6317 states and 12624 transitions. [2021-11-23 01:05:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6317 states and 12624 transitions. [2021-11-23 01:05:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:06,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:06,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:06,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12628 states to 6319 states and 12628 transitions. [2021-11-23 01:05:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 6319 states and 12628 transitions. [2021-11-23 01:05:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:06,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:07,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:07,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:07,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 6321 states and 12632 transitions. [2021-11-23 01:05:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 12632 transitions. [2021-11-23 01:05:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:07,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:07,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:07,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:07,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 6323 states and 12636 transitions. [2021-11-23 01:05:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6323 states and 12636 transitions. [2021-11-23 01:05:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:07,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:07,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:07,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:07,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12640 states to 6325 states and 12640 transitions. [2021-11-23 01:05:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6325 states and 12640 transitions. [2021-11-23 01:05:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:07,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:07,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:07,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:07,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12644 states to 6327 states and 12644 transitions. [2021-11-23 01:05:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 12644 transitions. [2021-11-23 01:05:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:08,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:08,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:08,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12648 states to 6329 states and 12648 transitions. [2021-11-23 01:05:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 12648 transitions. [2021-11-23 01:05:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:08,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:08,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:08,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12652 states to 6331 states and 12652 transitions. [2021-11-23 01:05:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 6331 states and 12652 transitions. [2021-11-23 01:05:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:08,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:08,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12656 states to 6333 states and 12656 transitions. [2021-11-23 01:05:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 12656 transitions. [2021-11-23 01:05:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:08,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:08,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:08,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12660 states to 6335 states and 12660 transitions. [2021-11-23 01:05:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 6335 states and 12660 transitions. [2021-11-23 01:05:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:09,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12664 states to 6337 states and 12664 transitions. [2021-11-23 01:05:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 12664 transitions. [2021-11-23 01:05:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:09,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12668 states to 6339 states and 12668 transitions. [2021-11-23 01:05:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 6339 states and 12668 transitions. [2021-11-23 01:05:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:09,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12672 states to 6341 states and 12672 transitions. [2021-11-23 01:05:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 12672 transitions. [2021-11-23 01:05:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:09,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12676 states to 6343 states and 12676 transitions. [2021-11-23 01:05:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6343 states and 12676 transitions. [2021-11-23 01:05:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:10,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:10,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:10,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:10,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12680 states to 6345 states and 12680 transitions. [2021-11-23 01:05:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6345 states and 12680 transitions. [2021-11-23 01:05:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:10,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:10,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:10,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:10,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12684 states to 6347 states and 12684 transitions. [2021-11-23 01:05:10,506 INFO L276 IsEmpty]: Start isEmpty. Operand 6347 states and 12684 transitions. [2021-11-23 01:05:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:10,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:10,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:10,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:10,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12688 states to 6349 states and 12688 transitions. [2021-11-23 01:05:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 12688 transitions. [2021-11-23 01:05:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:10,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:10,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:10,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:10,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12692 states to 6351 states and 12692 transitions. [2021-11-23 01:05:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 6351 states and 12692 transitions. [2021-11-23 01:05:11,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:05:11,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:11,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:11,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:05:11,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 6353 states and 12696 transitions. [2021-11-23 01:05:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 12696 transitions.