./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.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_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/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_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/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_64feba19-80a1-4da4-afc2-3d07957b1065/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 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:58,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:58,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:58,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:58,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:58,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:58,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:58,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:58,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:58,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:58,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:58,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:58,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:58,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:58,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:58,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:58,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:58,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:58,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:58,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:58,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:58,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:58,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:58,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:58,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:58,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:58,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:58,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:58,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:58,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:58,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:58,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:58,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:58,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:58,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:58,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:58,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:58,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:58,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:58,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:58,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:58,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:58,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:58,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:58,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:58,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:58,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:58,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:58,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:58,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:58,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:58,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:58,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:58,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:58,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:58,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:58,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:58,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:58,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:58,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:58,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:58,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:58,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:58,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:58,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:58,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:58,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:58,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:58,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:58,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:58,702 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_64feba19-80a1-4da4-afc2-3d07957b1065/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 [2021-11-22 23:09:58,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:58,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:58,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:58,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:58,978 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:58,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-22 23:09:59,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/data/ee29e07aa/a0c6099ae0174068a35dfb47cd445f4c/FLAG84ddb1fca [2021-11-22 23:09:59,465 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:59,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2021-11-22 23:09:59,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/data/ee29e07aa/a0c6099ae0174068a35dfb47cd445f4c/FLAG84ddb1fca [2021-11-22 23:09:59,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/data/ee29e07aa/a0c6099ae0174068a35dfb47cd445f4c [2021-11-22 23:09:59,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:59,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:59,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:59,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:59,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:59,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:59" (1/1) ... [2021-11-22 23:09:59,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0b196b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:59, skipping insertion in model container [2021-11-22 23:09:59,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:59" (1/1) ... [2021-11-22 23:09:59,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:59,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:00,076 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_64feba19-80a1-4da4-afc2-3d07957b1065/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-22 23:10:00,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:00,100 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:00,109 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_64feba19-80a1-4da4-afc2-3d07957b1065/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2021-11-22 23:10:00,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:00,131 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:00,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00 WrapperNode [2021-11-22 23:10:00,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:00,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:00,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:00,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:00,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,165 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-22 23:10:00,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:00,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:00,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:00,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:00,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:00,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:00,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:00,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:00,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:00,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:00,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:00,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64feba19-80a1-4da4-afc2-3d07957b1065/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:10:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:10:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:10:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:10:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:10:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:10:00,321 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:00,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:00,439 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:00,459 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:00,460 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:10:00,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:00 BoogieIcfgContainer [2021-11-22 23:10:00,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:10:00,463 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:10:00,463 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:10:00,473 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:10:00,473 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:10:00" (1/1) ... [2021-11-22 23:10:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:10:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-22 23:10:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-22 23:10:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:10:00,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:00,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:00,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:10:00,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:10:03,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:10:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2021-11-22 23:10:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2021-11-22 23:10:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:10:03,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:03,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:10:03,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:10:05,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2021-11-22 23:10:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-22 23:10:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:10:05,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:10:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2021-11-22 23:10:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2021-11-22 23:10:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:10:05,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:10:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2021-11-22 23:10:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-22 23:10:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:10:05,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:05,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:05,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:10:05,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:10:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2021-11-22 23:10:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2021-11-22 23:10:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:10:09,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:09,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:09,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:10:09,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:10:38,103 WARN L227 SmtUtils]: Spent 20.19s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:10:48,748 WARN L227 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:11:08,941 WARN L227 SmtUtils]: Spent 20.08s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:11:19,200 WARN L227 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:11:30,015 WARN L227 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:11:42,827 WARN L227 SmtUtils]: Spent 7.05s on a formula simplification. DAG size of input: 34 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:12:10,918 WARN L227 SmtUtils]: Spent 20.34s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:13:20,726 WARN L227 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:13:55,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:14:05,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:14:07,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:14:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:16,317 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:16,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:16,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:16,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:17,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:17,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:17,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:17,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:18,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:18,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:18,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:19,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:19,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:19,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:19,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:20,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:20,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:20,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:20,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:23,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:23,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:23,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:23,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2021-11-22 23:14:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2021-11-22 23:14:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:24,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:24,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:24,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:24,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:34,916 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (let ((.cse0 (<= 0 .cse3)) (.cse1 (<= .cse3 50)) (.cse2 (= |c_ULTIMATE.start_main_~v~0#1| 1))) (and .cse0 .cse1 (not (and .cse0 (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0) .cse1 .cse2 (= (+ |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (* .cse3 .cse3)))) .cse2 (<= |c_ULTIMATE.start_main_~r~0#1| 0) (not (= |c_ULTIMATE.start_main_~r~0#1| 0)) (= (+ (* 4 |c_ULTIMATE.start_main_~A~0#1|) (* |c_ULTIMATE.start_main_~v~0#1| |c_ULTIMATE.start_main_~v~0#1|) (* 4 |c_ULTIMATE.start_main_~r~0#1|) (* 2 |c_ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |c_ULTIMATE.start_main_~v~0#1|) (* |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~u~0#1|)))))) is different from false [2021-11-22 23:14:52,549 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse3 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (let ((.cse0 (<= 0 .cse3)) (.cse1 (<= .cse3 50)) (.cse2 (= |c_ULTIMATE.start_main_~v~0#1| 1))) (and .cse0 .cse1 (not (and .cse0 (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0) .cse1 .cse2 (= (+ |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (* .cse3 .cse3)))) .cse2 (<= |c_ULTIMATE.start_main_~r~0#1| 0) (not (= |c_ULTIMATE.start_main_~r~0#1| 0)) (= (+ (* 4 |c_ULTIMATE.start_main_~A~0#1|) (* |c_ULTIMATE.start_main_~v~0#1| |c_ULTIMATE.start_main_~v~0#1|) (* 4 |c_ULTIMATE.start_main_~r~0#1|) (* 2 |c_ULTIMATE.start_main_~u~0#1|)) (+ (* 2 |c_ULTIMATE.start_main_~v~0#1|) (* |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~u~0#1|))))))) is different from true [2021-11-22 23:14:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2021-11-22 23:14:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2021-11-22 23:14:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:53,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:53,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:54,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:54,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 118 transitions. [2021-11-22 23:14:55,232 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2021-11-22 23:14:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:55,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:55,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:55,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:55,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-22 23:14:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-22 23:14:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:56,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:56,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:56,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 70 states and 146 transitions. [2021-11-22 23:14:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 146 transitions. [2021-11-22 23:14:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:57,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:57,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:57,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:57,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 72 states and 153 transitions. [2021-11-22 23:14:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 153 transitions. [2021-11-22 23:14:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:14:58,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:58,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:58,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:00,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 74 states and 160 transitions. [2021-11-22 23:15:00,134 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2021-11-22 23:15:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:00,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:00,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:00,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:00,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 76 states and 167 transitions. [2021-11-22 23:15:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 167 transitions. [2021-11-22 23:15:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:03,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:03,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:03,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:03,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 170 transitions. [2021-11-22 23:15:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 170 transitions. [2021-11-22 23:15:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:05,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 78 states and 173 transitions. [2021-11-22 23:15:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 173 transitions. [2021-11-22 23:15:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:05,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:05,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 176 transitions. [2021-11-22 23:15:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 176 transitions. [2021-11-22 23:15:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:06,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:06,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:06,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:06,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 81 states and 183 transitions. [2021-11-22 23:15:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 183 transitions. [2021-11-22 23:15:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:09,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:09,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:09,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 82 states and 186 transitions. [2021-11-22 23:15:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 186 transitions. [2021-11-22 23:15:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:09,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:09,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:09,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:09,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 83 states and 189 transitions. [2021-11-22 23:15:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 189 transitions. [2021-11-22 23:15:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:10,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:10,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:10,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:10,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 84 states and 192 transitions. [2021-11-22 23:15:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 192 transitions. [2021-11-22 23:15:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:11,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:11,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:11,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:11,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 85 states and 195 transitions. [2021-11-22 23:15:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 195 transitions. [2021-11-22 23:15:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:12,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:12,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 86 states and 198 transitions. [2021-11-22 23:15:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 198 transitions. [2021-11-22 23:15:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:13,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:13,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:13,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 87 states and 201 transitions. [2021-11-22 23:15:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 201 transitions. [2021-11-22 23:15:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:15,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:15,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:15,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 88 states and 204 transitions. [2021-11-22 23:15:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 204 transitions. [2021-11-22 23:15:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:16,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:16,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:16,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:16,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:18,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 89 states and 207 transitions. [2021-11-22 23:15:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 207 transitions. [2021-11-22 23:15:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:18,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:18,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:18,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:18,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 90 states and 210 transitions. [2021-11-22 23:15:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 210 transitions. [2021-11-22 23:15:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:19,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:19,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:19,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 91 states and 213 transitions. [2021-11-22 23:15:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 213 transitions. [2021-11-22 23:15:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:20,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:20,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:20,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:20,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:21,243 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 92 states and 216 transitions. [2021-11-22 23:15:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 216 transitions. [2021-11-22 23:15:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:21,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:21,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:21,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:21,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 93 states and 219 transitions. [2021-11-22 23:15:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 219 transitions. [2021-11-22 23:15:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:23,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:23,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 222 transitions. [2021-11-22 23:15:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 222 transitions. [2021-11-22 23:15:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:24,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:24,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:24,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:24,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 95 states and 225 transitions. [2021-11-22 23:15:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 225 transitions. [2021-11-22 23:15:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:25,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:25,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:25,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:25,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 228 transitions. [2021-11-22 23:15:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 228 transitions. [2021-11-22 23:15:26,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:26,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:26,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 97 states and 231 transitions. [2021-11-22 23:15:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 231 transitions. [2021-11-22 23:15:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:28,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 98 states and 234 transitions. [2021-11-22 23:15:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 234 transitions. [2021-11-22 23:15:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:28,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:28,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:29,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:29,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 99 states and 237 transitions. [2021-11-22 23:15:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 237 transitions. [2021-11-22 23:15:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:30,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:30,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:30,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:30,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 100 states and 240 transitions. [2021-11-22 23:15:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 240 transitions. [2021-11-22 23:15:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:32,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:32,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:32,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:32,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 102 states and 247 transitions. [2021-11-22 23:15:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 247 transitions. [2021-11-22 23:15:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:33,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:33,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:33,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:33,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 104 states and 254 transitions. [2021-11-22 23:15:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 254 transitions. [2021-11-22 23:15:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:34,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:34,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:34,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:34,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 106 states and 261 transitions. [2021-11-22 23:15:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 261 transitions. [2021-11-22 23:15:35,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:35,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:35,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:35,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:35,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 108 states and 268 transitions. [2021-11-22 23:15:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 268 transitions. [2021-11-22 23:15:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:36,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:36,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:36,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:36,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 110 states and 275 transitions. [2021-11-22 23:15:37,643 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 275 transitions. [2021-11-22 23:15:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:37,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:37,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:37,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:37,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 112 states and 282 transitions. [2021-11-22 23:15:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 282 transitions. [2021-11-22 23:15:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:39,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:39,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:39,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:39,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 114 states and 289 transitions. [2021-11-22 23:15:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 289 transitions. [2021-11-22 23:15:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:39,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:39,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:39,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 117 states and 304 transitions. [2021-11-22 23:15:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 304 transitions. [2021-11-22 23:15:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:42,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:42,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:42,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:42,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 120 states and 325 transitions. [2021-11-22 23:15:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 325 transitions. [2021-11-22 23:15:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:44,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:44,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:44,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 123 states and 349 transitions. [2021-11-22 23:15:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 349 transitions. [2021-11-22 23:15:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:45,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:45,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:45,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 126 states and 371 transitions. [2021-11-22 23:15:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 371 transitions. [2021-11-22 23:15:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:46,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:46,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:46,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 128 states and 384 transitions. [2021-11-22 23:15:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 384 transitions. [2021-11-22 23:15:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:47,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:47,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:47,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:47,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 130 states and 397 transitions. [2021-11-22 23:15:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 397 transitions. [2021-11-22 23:15:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:49,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:49,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:49,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:49,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 131 states and 402 transitions. [2021-11-22 23:15:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 402 transitions. [2021-11-22 23:15:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:51,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:51,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:51,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:51,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 132 states and 407 transitions. [2021-11-22 23:15:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 407 transitions. [2021-11-22 23:15:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:52,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:52,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:52,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:52,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 133 states and 412 transitions. [2021-11-22 23:15:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 412 transitions. [2021-11-22 23:15:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:53,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:53,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 134 states and 417 transitions. [2021-11-22 23:15:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 417 transitions. [2021-11-22 23:15:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:54,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:54,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 135 states and 422 transitions. [2021-11-22 23:15:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 422 transitions. [2021-11-22 23:15:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:55,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:55,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 136 states and 427 transitions. [2021-11-22 23:15:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 427 transitions. [2021-11-22 23:15:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:56,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:56,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:15:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 137 states and 432 transitions. [2021-11-22 23:15:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 432 transitions. [2021-11-22 23:15:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:15:58,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:15:58,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 138 states and 437 transitions. [2021-11-22 23:16:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 437 transitions. [2021-11-22 23:16:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:00,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:00,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:00,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:00,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 139 states and 442 transitions. [2021-11-22 23:16:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 442 transitions. [2021-11-22 23:16:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:01,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:01,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:01,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:01,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 140 states and 447 transitions. [2021-11-22 23:16:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 447 transitions. [2021-11-22 23:16:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:02,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:02,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:02,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:02,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 141 states and 452 transitions. [2021-11-22 23:16:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 452 transitions. [2021-11-22 23:16:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:03,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:03,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:03,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 142 states and 457 transitions. [2021-11-22 23:16:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 457 transitions. [2021-11-22 23:16:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:04,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:04,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:04,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:04,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 143 states and 462 transitions. [2021-11-22 23:16:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 462 transitions. [2021-11-22 23:16:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:05,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:05,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:05,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:05,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 144 states and 467 transitions. [2021-11-22 23:16:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 467 transitions. [2021-11-22 23:16:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:06,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:06,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:06,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 145 states and 472 transitions. [2021-11-22 23:16:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 472 transitions. [2021-11-22 23:16:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:08,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:08,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:08,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:08,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 147 states and 485 transitions. [2021-11-22 23:16:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 485 transitions. [2021-11-22 23:16:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:10,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:10,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:10,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:10,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 149 states and 498 transitions. [2021-11-22 23:16:11,516 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 498 transitions. [2021-11-22 23:16:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:11,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:11,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:11,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:11,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 151 states and 511 transitions. [2021-11-22 23:16:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 511 transitions. [2021-11-22 23:16:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:15,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:15,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:15,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:15,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 153 states and 524 transitions. [2021-11-22 23:16:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 524 transitions. [2021-11-22 23:16:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:16,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:16,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:16,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:16,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 155 states and 537 transitions. [2021-11-22 23:16:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 537 transitions. [2021-11-22 23:16:19,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:19,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:19,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:19,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:21,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 157 states and 550 transitions. [2021-11-22 23:16:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 550 transitions. [2021-11-22 23:16:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:21,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:21,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:21,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:21,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 159 states and 563 transitions. [2021-11-22 23:16:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 563 transitions. [2021-11-22 23:16:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:22,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:22,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:22,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:22,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 161 states and 576 transitions. [2021-11-22 23:16:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 576 transitions. [2021-11-22 23:16:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:24,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:24,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:24,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:24,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 163 states and 589 transitions. [2021-11-22 23:16:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 589 transitions. [2021-11-22 23:16:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:25,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:25,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 165 states and 602 transitions. [2021-11-22 23:16:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 602 transitions. [2021-11-22 23:16:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:27,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:27,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 167 states and 615 transitions. [2021-11-22 23:16:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 615 transitions. [2021-11-22 23:16:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:29,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:29,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:29,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 169 states and 628 transitions. [2021-11-22 23:16:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 628 transitions. [2021-11-22 23:16:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:30,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:30,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 171 states and 641 transitions. [2021-11-22 23:16:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 641 transitions. [2021-11-22 23:16:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:31,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:31,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 173 states and 654 transitions. [2021-11-22 23:16:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 654 transitions. [2021-11-22 23:16:32,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:32,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:32,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 175 states and 667 transitions. [2021-11-22 23:16:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 667 transitions. [2021-11-22 23:16:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:34,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:34,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 178 states and 690 transitions. [2021-11-22 23:16:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 690 transitions. [2021-11-22 23:16:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:35,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:35,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 181 states and 714 transitions. [2021-11-22 23:16:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 714 transitions. [2021-11-22 23:16:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:37,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:37,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 183 states and 729 transitions. [2021-11-22 23:16:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 729 transitions. [2021-11-22 23:16:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:39,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:39,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:39,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 186 states and 754 transitions. [2021-11-22 23:16:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 754 transitions. [2021-11-22 23:16:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:40,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:40,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:40,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 188 states and 770 transitions. [2021-11-22 23:16:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 770 transitions. [2021-11-22 23:16:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:43,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:43,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 190 states and 786 transitions. [2021-11-22 23:16:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 786 transitions. [2021-11-22 23:16:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:44,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:44,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:44,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:44,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 192 states and 802 transitions. [2021-11-22 23:16:47,027 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 802 transitions. [2021-11-22 23:16:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:47,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:47,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 194 states and 818 transitions. [2021-11-22 23:16:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 818 transitions. [2021-11-22 23:16:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:48,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:48,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:48,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 195 states and 823 transitions. [2021-11-22 23:16:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 823 transitions. [2021-11-22 23:16:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:49,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:49,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:49,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 196 states and 828 transitions. [2021-11-22 23:16:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 828 transitions. [2021-11-22 23:16:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:50,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:50,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 197 states and 833 transitions. [2021-11-22 23:16:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 833 transitions. [2021-11-22 23:16:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:53,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:53,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:53,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:53,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 198 states and 838 transitions. [2021-11-22 23:16:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 838 transitions. [2021-11-22 23:16:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:54,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:54,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 199 states and 843 transitions. [2021-11-22 23:16:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 843 transitions. [2021-11-22 23:16:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:55,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:55,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:55,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:55,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 200 states and 848 transitions. [2021-11-22 23:16:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 848 transitions. [2021-11-22 23:16:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:57,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:57,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:16:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 201 states and 853 transitions. [2021-11-22 23:16:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 853 transitions. [2021-11-22 23:16:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:16:58,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:16:58,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 202 states and 858 transitions. [2021-11-22 23:17:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 858 transitions. [2021-11-22 23:17:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:00,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:00,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 203 states and 863 transitions. [2021-11-22 23:17:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 863 transitions. [2021-11-22 23:17:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:01,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:01,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 204 states and 868 transitions. [2021-11-22 23:17:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 868 transitions. [2021-11-22 23:17:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:02,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:02,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 206 states and 884 transitions. [2021-11-22 23:17:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 884 transitions. [2021-11-22 23:17:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:04,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:04,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:04,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 208 states and 900 transitions. [2021-11-22 23:17:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 900 transitions. [2021-11-22 23:17:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:06,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:06,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 210 states and 916 transitions. [2021-11-22 23:17:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 916 transitions. [2021-11-22 23:17:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:08,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 212 states and 932 transitions. [2021-11-22 23:17:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 932 transitions. [2021-11-22 23:17:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:10,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:10,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 214 states and 948 transitions. [2021-11-22 23:17:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 948 transitions. [2021-11-22 23:17:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:11,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:11,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 216 states and 964 transitions. [2021-11-22 23:17:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 964 transitions. [2021-11-22 23:17:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:13,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:13,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 218 states and 980 transitions. [2021-11-22 23:17:14,697 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 980 transitions. [2021-11-22 23:17:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:14,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:14,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 220 states and 996 transitions. [2021-11-22 23:17:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 996 transitions. [2021-11-22 23:17:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:16,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:16,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 222 states and 1012 transitions. [2021-11-22 23:17:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1012 transitions. [2021-11-22 23:17:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:17,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:17,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 224 states and 1028 transitions. [2021-11-22 23:17:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1028 transitions. [2021-11-22 23:17:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:18,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:18,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 226 states and 1044 transitions. [2021-11-22 23:17:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1044 transitions. [2021-11-22 23:17:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:20,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:20,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 228 states and 1060 transitions. [2021-11-22 23:17:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 1060 transitions. [2021-11-22 23:17:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:21,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:21,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 230 states and 1076 transitions. [2021-11-22 23:17:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1076 transitions. [2021-11-22 23:17:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:23,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:23,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 233 states and 1102 transitions. [2021-11-22 23:17:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1102 transitions. [2021-11-22 23:17:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:25,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:25,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 236 states and 1129 transitions. [2021-11-22 23:17:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1129 transitions. [2021-11-22 23:17:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:27,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:27,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 238 states and 1147 transitions. [2021-11-22 23:17:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1147 transitions. [2021-11-22 23:17:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:29,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:29,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 240 states and 1165 transitions. [2021-11-22 23:17:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1165 transitions. [2021-11-22 23:17:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:31,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 242 states and 1183 transitions. [2021-11-22 23:17:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 1183 transitions. [2021-11-22 23:17:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:33,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 244 states and 1206 transitions. [2021-11-22 23:17:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1206 transitions. [2021-11-22 23:17:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:35,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 246 states and 1225 transitions. [2021-11-22 23:17:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1225 transitions. [2021-11-22 23:17:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:36,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 248 states and 1244 transitions. [2021-11-22 23:17:38,569 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1244 transitions. [2021-11-22 23:17:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:38,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:38,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 250 states and 1268 transitions. [2021-11-22 23:17:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1268 transitions. [2021-11-22 23:17:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:40,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:40,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 252 states and 1293 transitions. [2021-11-22 23:17:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1293 transitions. [2021-11-22 23:17:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:42,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 254 states and 1314 transitions. [2021-11-22 23:17:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 1314 transitions. [2021-11-22 23:17:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 256 states and 1335 transitions. [2021-11-22 23:17:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1335 transitions. [2021-11-22 23:17:46,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:46,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 258 states and 1356 transitions. [2021-11-22 23:17:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1356 transitions. [2021-11-22 23:17:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:48,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:48,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 260 states and 1377 transitions. [2021-11-22 23:17:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1377 transitions. [2021-11-22 23:17:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:50,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 262 states and 1398 transitions. [2021-11-22 23:17:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1398 transitions. [2021-11-22 23:17:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:52,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 264 states and 1419 transitions. [2021-11-22 23:17:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1419 transitions. [2021-11-22 23:17:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:53,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 266 states and 1440 transitions. [2021-11-22 23:17:55,909 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1440 transitions. [2021-11-22 23:17:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:55,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:55,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:55,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:55,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 268 states and 1461 transitions. [2021-11-22 23:17:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1461 transitions. [2021-11-22 23:17:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:58,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:58,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:17:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 270 states and 1482 transitions. [2021-11-22 23:17:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1482 transitions. [2021-11-22 23:17:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:17:59,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 272 states and 1508 transitions. [2021-11-22 23:18:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1508 transitions. [2021-11-22 23:18:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:01,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:01,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 275 states and 1544 transitions. [2021-11-22 23:18:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1544 transitions. [2021-11-22 23:18:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:03,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:03,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:03,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 278 states and 1581 transitions. [2021-11-22 23:18:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1581 transitions. [2021-11-22 23:18:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:05,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:05,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:05,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:05,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 281 states and 1619 transitions. [2021-11-22 23:18:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1619 transitions. [2021-11-22 23:18:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:07,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:07,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 284 states and 1658 transitions. [2021-11-22 23:18:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1658 transitions. [2021-11-22 23:18:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:08,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:08,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:08,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 287 states and 1698 transitions. [2021-11-22 23:18:10,309 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1698 transitions. [2021-11-22 23:18:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:10,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 289 states and 1725 transitions. [2021-11-22 23:18:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1725 transitions. [2021-11-22 23:18:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:12,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:12,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 291 states and 1752 transitions. [2021-11-22 23:18:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1752 transitions. [2021-11-22 23:18:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:14,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:14,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 293 states and 1779 transitions. [2021-11-22 23:18:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1779 transitions. [2021-11-22 23:18:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:15,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 295 states and 1811 transitions. [2021-11-22 23:18:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1811 transitions. [2021-11-22 23:18:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:18,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 297 states and 1839 transitions. [2021-11-22 23:18:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1839 transitions. [2021-11-22 23:18:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:20,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:20,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 298 states and 1849 transitions. [2021-11-22 23:18:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1849 transitions. [2021-11-22 23:18:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:21,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:21,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:21,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 299 states and 1859 transitions. [2021-11-22 23:18:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1859 transitions. [2021-11-22 23:18:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:22,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:22,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:22,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 300 states and 1869 transitions. [2021-11-22 23:18:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1869 transitions. [2021-11-22 23:18:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:24,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:24,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:24,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:24,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 301 states and 1879 transitions. [2021-11-22 23:18:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1879 transitions. [2021-11-22 23:18:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:25,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:25,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:26,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 302 states and 1889 transitions. [2021-11-22 23:18:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1889 transitions. [2021-11-22 23:18:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:27,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:27,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 303 states and 1899 transitions. [2021-11-22 23:18:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1899 transitions. [2021-11-22 23:18:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:29,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:29,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 304 states and 1909 transitions. [2021-11-22 23:18:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1909 transitions. [2021-11-22 23:18:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:30,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 305 states and 1919 transitions. [2021-11-22 23:18:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1919 transitions. [2021-11-22 23:18:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:31,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:31,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 306 states and 1929 transitions. [2021-11-22 23:18:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1929 transitions. [2021-11-22 23:18:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:33,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 307 states and 1939 transitions. [2021-11-22 23:18:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1939 transitions. [2021-11-22 23:18:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:34,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:34,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:34,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:34,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 308 states and 1949 transitions. [2021-11-22 23:18:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1949 transitions. [2021-11-22 23:18:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:35,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:35,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:35,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:35,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 309 states and 1959 transitions. [2021-11-22 23:18:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1959 transitions. [2021-11-22 23:18:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:36,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:36,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:36,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 310 states and 1969 transitions. [2021-11-22 23:18:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1969 transitions. [2021-11-22 23:18:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:38,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:38,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:38,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 312 states and 1997 transitions. [2021-11-22 23:18:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1997 transitions. [2021-11-22 23:18:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:39,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:39,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:39,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:39,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 314 states and 2025 transitions. [2021-11-22 23:18:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 2025 transitions. [2021-11-22 23:18:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:42,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 316 states and 2053 transitions. [2021-11-22 23:18:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 2053 transitions. [2021-11-22 23:18:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:44,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 318 states and 2081 transitions. [2021-11-22 23:18:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 2081 transitions. [2021-11-22 23:18:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:45,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:45,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:45,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:45,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 320 states and 2109 transitions. [2021-11-22 23:18:47,180 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 2109 transitions. [2021-11-22 23:18:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:47,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 322 states and 2137 transitions. [2021-11-22 23:18:49,133 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 2137 transitions. [2021-11-22 23:18:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:49,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:49,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 324 states and 2170 transitions. [2021-11-22 23:18:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 2170 transitions. [2021-11-22 23:18:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:50,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 326 states and 2199 transitions. [2021-11-22 23:18:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 2199 transitions. [2021-11-22 23:18:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:53,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:53,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 328 states and 2228 transitions. [2021-11-22 23:18:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 2228 transitions. [2021-11-22 23:18:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:55,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:55,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 330 states and 2257 transitions. [2021-11-22 23:18:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 2257 transitions. [2021-11-22 23:18:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:57,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:57,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 332 states and 2286 transitions. [2021-11-22 23:18:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 2286 transitions. [2021-11-22 23:18:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:18:58,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:58,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:18:58,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 334 states and 2315 transitions. [2021-11-22 23:19:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 2315 transitions. [2021-11-22 23:19:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:01,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:01,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 336 states and 2344 transitions. [2021-11-22 23:19:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 2344 transitions. [2021-11-22 23:19:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:03,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 337 states and 2355 transitions. [2021-11-22 23:19:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 2355 transitions. [2021-11-22 23:19:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:05,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:05,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 338 states and 2366 transitions. [2021-11-22 23:19:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 2366 transitions. [2021-11-22 23:19:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:06,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 339 states and 2377 transitions. [2021-11-22 23:19:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 2377 transitions. [2021-11-22 23:19:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:08,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:08,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 340 states and 2388 transitions. [2021-11-22 23:19:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 2388 transitions. [2021-11-22 23:19:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:10,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:10,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:10,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 341 states and 2399 transitions. [2021-11-22 23:19:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 2399 transitions. [2021-11-22 23:19:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:12,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:12,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 342 states and 2410 transitions. [2021-11-22 23:19:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 2410 transitions. [2021-11-22 23:19:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:14,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:14,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 343 states and 2421 transitions. [2021-11-22 23:19:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 2421 transitions. [2021-11-22 23:19:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:16,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:16,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 344 states and 2432 transitions. [2021-11-22 23:19:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 2432 transitions. [2021-11-22 23:19:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:17,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 345 states and 2443 transitions. [2021-11-22 23:19:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 2443 transitions. [2021-11-22 23:19:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:18,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:18,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:18,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 346 states and 2454 transitions. [2021-11-22 23:19:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 2454 transitions. [2021-11-22 23:19:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:20,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:20,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:20,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 347 states and 2465 transitions. [2021-11-22 23:19:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 2465 transitions. [2021-11-22 23:19:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:21,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:21,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:22,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:22,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 348 states and 2476 transitions. [2021-11-22 23:19:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 2476 transitions. [2021-11-22 23:19:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:23,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:23,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 349 states and 2487 transitions. [2021-11-22 23:19:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 2487 transitions. [2021-11-22 23:19:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:25,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:25,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 350 states and 2498 transitions. [2021-11-22 23:19:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 2498 transitions. [2021-11-22 23:19:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:27,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:27,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 352 states and 2527 transitions. [2021-11-22 23:19:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 2527 transitions. [2021-11-22 23:19:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:29,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:29,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:29,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 354 states and 2556 transitions. [2021-11-22 23:19:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 2556 transitions. [2021-11-22 23:19:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:32,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:32,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:32,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:32,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 356 states and 2585 transitions. [2021-11-22 23:19:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 2585 transitions. [2021-11-22 23:19:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:35,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:35,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:38,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 358 states and 2614 transitions. [2021-11-22 23:19:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 2614 transitions. [2021-11-22 23:19:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:38,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:38,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 360 states and 2643 transitions. [2021-11-22 23:19:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 2643 transitions. [2021-11-22 23:19:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:41,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:41,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 362 states and 2672 transitions. [2021-11-22 23:19:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 2672 transitions. [2021-11-22 23:19:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:43,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:43,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:43,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:43,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 364 states and 2701 transitions. [2021-11-22 23:19:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 2701 transitions. [2021-11-22 23:19:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:45,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:45,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:45,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:45,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 366 states and 2730 transitions. [2021-11-22 23:19:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 2730 transitions. [2021-11-22 23:19:46,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:46,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:46,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 368 states and 2759 transitions. [2021-11-22 23:19:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 2759 transitions. [2021-11-22 23:19:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:50,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 370 states and 2788 transitions. [2021-11-22 23:19:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 2788 transitions. [2021-11-22 23:19:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:51,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:51,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 372 states and 2817 transitions. [2021-11-22 23:19:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 2817 transitions. [2021-11-22 23:19:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:53,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:53,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:53,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:53,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 374 states and 2846 transitions. [2021-11-22 23:19:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 2846 transitions. [2021-11-22 23:19:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:55,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:55,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 376 states and 2875 transitions. [2021-11-22 23:19:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 2875 transitions. [2021-11-22 23:19:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:57,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:57,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 378 states and 2904 transitions. [2021-11-22 23:19:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 2904 transitions. [2021-11-22 23:19:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:19:59,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:59,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:19:59,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 380 states and 2933 transitions. [2021-11-22 23:20:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 2933 transitions. [2021-11-22 23:20:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:00,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:01,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 382 states and 2962 transitions. [2021-11-22 23:20:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 2962 transitions. [2021-11-22 23:20:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:02,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:02,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 384 states and 2991 transitions. [2021-11-22 23:20:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 2991 transitions. [2021-11-22 23:20:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:05,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:05,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:05,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:05,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 385 states and 3002 transitions. [2021-11-22 23:20:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 3002 transitions. [2021-11-22 23:20:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:07,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:07,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:07,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:07,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 386 states and 3013 transitions. [2021-11-22 23:20:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 3013 transitions. [2021-11-22 23:20:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:09,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:09,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:09,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:09,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 387 states and 3024 transitions. [2021-11-22 23:20:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 3024 transitions. [2021-11-22 23:20:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:10,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:10,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:10,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:10,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 388 states and 3035 transitions. [2021-11-22 23:20:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 3035 transitions. [2021-11-22 23:20:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:13,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:13,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:13,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:13,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 389 states and 3046 transitions. [2021-11-22 23:20:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 3046 transitions. [2021-11-22 23:20:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:15,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:15,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 390 states and 3057 transitions. [2021-11-22 23:20:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 3057 transitions. [2021-11-22 23:20:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:17,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:17,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:17,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:17,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 391 states and 3068 transitions. [2021-11-22 23:20:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 3068 transitions. [2021-11-22 23:20:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:19,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:19,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:19,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 392 states and 3079 transitions. [2021-11-22 23:20:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 3079 transitions. [2021-11-22 23:20:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:21,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:21,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:21,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 393 states and 3090 transitions. [2021-11-22 23:20:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 3090 transitions. [2021-11-22 23:20:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:22,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:22,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:22,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:22,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 394 states and 3101 transitions. [2021-11-22 23:20:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 3101 transitions. [2021-11-22 23:20:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:24,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:24,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:24,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:24,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 395 states and 3112 transitions. [2021-11-22 23:20:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 3112 transitions. [2021-11-22 23:20:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:26,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:26,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 396 states and 3123 transitions. [2021-11-22 23:20:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 3123 transitions. [2021-11-22 23:20:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:27,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:27,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 397 states and 3134 transitions. [2021-11-22 23:20:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 3134 transitions. [2021-11-22 23:20:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:29,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:29,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:29,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:29,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 398 states and 3145 transitions. [2021-11-22 23:20:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 3145 transitions. [2021-11-22 23:20:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:31,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:31,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 399 states and 3156 transitions. [2021-11-22 23:20:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 3156 transitions. [2021-11-22 23:20:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:33,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:33,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 400 states and 3167 transitions. [2021-11-22 23:20:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 3167 transitions. [2021-11-22 23:20:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:35,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 401 states and 3178 transitions. [2021-11-22 23:20:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 3178 transitions. [2021-11-22 23:20:37,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:37,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 402 states and 3189 transitions. [2021-11-22 23:20:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 3189 transitions. [2021-11-22 23:20:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:41,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:41,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:41,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 403 states and 3200 transitions. [2021-11-22 23:20:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 3200 transitions. [2021-11-22 23:20:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:43,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:43,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 404 states and 3211 transitions. [2021-11-22 23:20:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 3211 transitions. [2021-11-22 23:20:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:45,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:45,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:45,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:45,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 405 states and 3222 transitions. [2021-11-22 23:20:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 3222 transitions. [2021-11-22 23:20:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:47,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:47,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:47,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 407 states and 3251 transitions. [2021-11-22 23:20:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 3251 transitions. [2021-11-22 23:20:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:50,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:50,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 409 states and 3280 transitions. [2021-11-22 23:20:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 3280 transitions. [2021-11-22 23:20:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:53,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:53,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:53,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 411 states and 3309 transitions. [2021-11-22 23:20:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 3309 transitions. [2021-11-22 23:20:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:56,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:56,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:56,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:56,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:20:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 412 states and 3320 transitions. [2021-11-22 23:20:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 3320 transitions. [2021-11-22 23:20:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:20:58,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:58,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:58,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:20:58,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 413 states and 3331 transitions. [2021-11-22 23:21:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 3331 transitions. [2021-11-22 23:21:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:00,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 414 states and 3342 transitions. [2021-11-22 23:21:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 3342 transitions. [2021-11-22 23:21:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:01,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:01,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:01,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 415 states and 3353 transitions. [2021-11-22 23:21:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 3353 transitions. [2021-11-22 23:21:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:03,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:03,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:03,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:03,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 416 states and 3364 transitions. [2021-11-22 23:21:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 3364 transitions. [2021-11-22 23:21:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:05,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:05,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 417 states and 3375 transitions. [2021-11-22 23:21:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 3375 transitions. [2021-11-22 23:21:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:06,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:06,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:06,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:06,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 418 states and 3386 transitions. [2021-11-22 23:21:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 3386 transitions. [2021-11-22 23:21:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:08,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:08,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:08,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:08,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 419 states and 3397 transitions. [2021-11-22 23:21:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 3397 transitions. [2021-11-22 23:21:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:11,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:11,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:11,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:11,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 420 states and 3408 transitions. [2021-11-22 23:21:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 3408 transitions. [2021-11-22 23:21:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:13,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:13,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:13,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 422 states and 3437 transitions. [2021-11-22 23:21:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 3437 transitions. [2021-11-22 23:21:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:15,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:15,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:15,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3466 states to 424 states and 3466 transitions. [2021-11-22 23:21:17,470 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 3466 transitions. [2021-11-22 23:21:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:17,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:17,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 426 states and 3495 transitions. [2021-11-22 23:21:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 3495 transitions. [2021-11-22 23:21:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:20,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:20,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:20,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 428 states and 3524 transitions. [2021-11-22 23:21:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 3524 transitions. [2021-11-22 23:21:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:22,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:22,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 430 states and 3553 transitions. [2021-11-22 23:21:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 3553 transitions. [2021-11-22 23:21:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:24,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:24,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:24,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 432 states and 3582 transitions. [2021-11-22 23:21:26,347 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 3582 transitions. [2021-11-22 23:21:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:26,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:26,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:26,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:26,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 433 states and 3593 transitions. [2021-11-22 23:21:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 3593 transitions. [2021-11-22 23:21:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:28,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:28,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:28,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:28,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 434 states and 3604 transitions. [2021-11-22 23:21:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 3604 transitions. [2021-11-22 23:21:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:30,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:30,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:30,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 435 states and 3615 transitions. [2021-11-22 23:21:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 3615 transitions. [2021-11-22 23:21:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:32,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:32,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:32,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:32,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 436 states and 3626 transitions. [2021-11-22 23:21:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 3626 transitions. [2021-11-22 23:21:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:34,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:34,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:34,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 437 states and 3637 transitions. [2021-11-22 23:21:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 3637 transitions. [2021-11-22 23:21:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:36,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:36,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 438 states and 3648 transitions. [2021-11-22 23:21:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 3648 transitions. [2021-11-22 23:21:39,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:39,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:39,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 439 states and 3659 transitions. [2021-11-22 23:21:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 3659 transitions. [2021-11-22 23:21:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:42,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:42,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3670 states to 440 states and 3670 transitions. [2021-11-22 23:21:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 3670 transitions. [2021-11-22 23:21:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:44,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:44,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 441 states and 3681 transitions. [2021-11-22 23:21:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 3681 transitions. [2021-11-22 23:21:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:46,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:46,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:46,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:46,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 443 states and 3710 transitions. [2021-11-22 23:21:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 3710 transitions. [2021-11-22 23:21:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:48,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:48,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 445 states and 3739 transitions. [2021-11-22 23:21:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 3739 transitions. [2021-11-22 23:21:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:50,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:51,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 447 states and 3768 transitions. [2021-11-22 23:21:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 3768 transitions. [2021-11-22 23:21:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:53,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:53,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:53,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 450 states and 3818 transitions. [2021-11-22 23:21:56,149 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 3818 transitions. [2021-11-22 23:21:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:56,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:56,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:56,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:56,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:21:58,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 453 states and 3866 transitions. [2021-11-22 23:21:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 3866 transitions. [2021-11-22 23:21:58,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:21:58,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:58,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:58,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:21:58,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 456 states and 3915 transitions. [2021-11-22 23:22:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 3915 transitions. [2021-11-22 23:22:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:00,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:00,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 457 states and 3927 transitions. [2021-11-22 23:22:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 3927 transitions. [2021-11-22 23:22:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:03,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:03,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:03,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 458 states and 3939 transitions. [2021-11-22 23:22:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 3939 transitions. [2021-11-22 23:22:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:05,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:05,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:05,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:05,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 459 states and 3951 transitions. [2021-11-22 23:22:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 3951 transitions. [2021-11-22 23:22:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:07,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:07,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:07,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 460 states and 3963 transitions. [2021-11-22 23:22:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 3963 transitions. [2021-11-22 23:22:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:09,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:09,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:09,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 461 states and 3975 transitions. [2021-11-22 23:22:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 3975 transitions. [2021-11-22 23:22:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:13,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:13,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:13,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:13,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 462 states and 3987 transitions. [2021-11-22 23:22:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 3987 transitions. [2021-11-22 23:22:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:15,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:15,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:16,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 463 states and 3999 transitions. [2021-11-22 23:22:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 3999 transitions. [2021-11-22 23:22:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:18,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:18,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4011 states to 464 states and 4011 transitions. [2021-11-22 23:22:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 4011 transitions. [2021-11-22 23:22:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:19,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:20,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 465 states and 4023 transitions. [2021-11-22 23:22:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 4023 transitions. [2021-11-22 23:22:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:21,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:21,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:21,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:21,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 466 states and 4035 transitions. [2021-11-22 23:22:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 4035 transitions. [2021-11-22 23:22:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:23,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:23,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:23,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4047 states to 467 states and 4047 transitions. [2021-11-22 23:22:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 4047 transitions. [2021-11-22 23:22:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:25,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:25,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:25,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 468 states and 4059 transitions. [2021-11-22 23:22:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 4059 transitions. [2021-11-22 23:22:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:28,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:28,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:28,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4071 states to 469 states and 4071 transitions. [2021-11-22 23:22:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 4071 transitions. [2021-11-22 23:22:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:30,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:30,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 470 states and 4083 transitions. [2021-11-22 23:22:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 4083 transitions. [2021-11-22 23:22:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:32,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:32,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:32,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:32,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 471 states and 4095 transitions. [2021-11-22 23:22:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 4095 transitions. [2021-11-22 23:22:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:34,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:34,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:34,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 472 states and 4107 transitions. [2021-11-22 23:22:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 4107 transitions. [2021-11-22 23:22:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:36,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:36,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:36,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 473 states and 4119 transitions. [2021-11-22 23:22:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 4119 transitions. [2021-11-22 23:22:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:39,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:39,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:39,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 474 states and 4131 transitions. [2021-11-22 23:22:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 4131 transitions. [2021-11-22 23:22:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:41,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:41,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:41,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:41,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 475 states and 4143 transitions. [2021-11-22 23:22:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 4143 transitions. [2021-11-22 23:22:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:43,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:43,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:43,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:43,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 476 states and 4155 transitions. [2021-11-22 23:22:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 4155 transitions. [2021-11-22 23:22:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:45,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:45,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:45,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:45,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 477 states and 4167 transitions. [2021-11-22 23:22:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 4167 transitions. [2021-11-22 23:22:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:48,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:48,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:48,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:48,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 478 states and 4179 transitions. [2021-11-22 23:22:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 4179 transitions. [2021-11-22 23:22:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:51,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:51,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:51,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:51,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:52,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 479 states and 4191 transitions. [2021-11-22 23:22:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 4191 transitions. [2021-11-22 23:22:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:52,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:52,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:52,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 480 states and 4203 transitions. [2021-11-22 23:22:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 4203 transitions. [2021-11-22 23:22:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:54,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:54,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 481 states and 4215 transitions. [2021-11-22 23:22:56,348 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 4215 transitions. [2021-11-22 23:22:56,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:56,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:56,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:22:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 482 states and 4227 transitions. [2021-11-22 23:22:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 4227 transitions. [2021-11-22 23:22:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:58,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:58,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:22:58,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 483 states and 4239 transitions. [2021-11-22 23:23:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 4239 transitions. [2021-11-22 23:23:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:00,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:00,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 486 states and 4289 transitions. [2021-11-22 23:23:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 4289 transitions. [2021-11-22 23:23:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:02,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:02,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 488 states and 4323 transitions. [2021-11-22 23:23:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 4323 transitions. [2021-11-22 23:23:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:05,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:05,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:05,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:05,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 491 states and 4374 transitions. [2021-11-22 23:23:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 4374 transitions. [2021-11-22 23:23:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:07,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:07,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:07,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 494 states and 4431 transitions. [2021-11-22 23:23:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 4431 transitions. [2021-11-22 23:23:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:11,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:11,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4444 states to 495 states and 4444 transitions. [2021-11-22 23:23:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 4444 transitions. [2021-11-22 23:23:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:12,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:12,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 496 states and 4457 transitions. [2021-11-22 23:23:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 4457 transitions. [2021-11-22 23:23:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:15,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:15,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:15,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 498 states and 4494 transitions. [2021-11-22 23:23:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 4494 transitions. [2021-11-22 23:23:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:17,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:17,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 501 states and 4549 transitions. [2021-11-22 23:23:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 4549 transitions. [2021-11-22 23:23:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:19,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:19,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 504 states and 4605 transitions. [2021-11-22 23:23:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 4605 transitions. [2021-11-22 23:23:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:22,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:22,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:22,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:22,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:25,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 507 states and 4662 transitions. [2021-11-22 23:23:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 4662 transitions. [2021-11-22 23:23:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:25,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:25,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:25,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 510 states and 4720 transitions. [2021-11-22 23:23:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 4720 transitions. [2021-11-22 23:23:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:27,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:27,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:27,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 513 states and 4779 transitions. [2021-11-22 23:23:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 4779 transitions. [2021-11-22 23:23:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:29,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:29,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:29,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 515 states and 4821 transitions. [2021-11-22 23:23:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 4821 transitions. [2021-11-22 23:23:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:31,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:31,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:31,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 517 states and 4863 transitions. [2021-11-22 23:23:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 4863 transitions. [2021-11-22 23:23:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:34,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:34,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:34,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:34,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 519 states and 4905 transitions. [2021-11-22 23:23:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 4905 transitions. [2021-11-22 23:23:36,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:36,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:36,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:36,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:36,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 521 states and 4947 transitions. [2021-11-22 23:23:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 4947 transitions. [2021-11-22 23:23:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:39,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:39,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:39,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:39,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 523 states and 4989 transitions. [2021-11-22 23:23:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 4989 transitions. [2021-11-22 23:23:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:42,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:42,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 525 states and 5031 transitions. [2021-11-22 23:23:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 5031 transitions. [2021-11-22 23:23:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:44,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:44,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:44,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 527 states and 5073 transitions. [2021-11-22 23:23:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 5073 transitions. [2021-11-22 23:23:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:46,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:46,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 529 states and 5120 transitions. [2021-11-22 23:23:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 5120 transitions. [2021-11-22 23:23:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:50,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:50,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:23:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 531 states and 5163 transitions. [2021-11-22 23:23:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 5163 transitions. [2021-11-22 23:23:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:52,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:52,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.