./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/rev-3-u.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_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/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_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/rev-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/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_000c788d-89ce-401b-90fa-d45db546d4d4/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 fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:41,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:41,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:41,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:41,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:41,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:41,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:41,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:41,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:41,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:41,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:41,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:41,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:41,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:41,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:41,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:41,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:41,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:41,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:41,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:41,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:41,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:41,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:41,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:41,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:41,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:41,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:41,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:41,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:41,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:41,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:41,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:41,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:41,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:41,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:41,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:41,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:41,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:41,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:41,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:41,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:41,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:24:41,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:41,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:41,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:41,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:41,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:41,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:41,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:41,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:41,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:41,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:41,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:41,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:41,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:41,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:41,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:41,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:41,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:41,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:41,873 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:41,873 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:41,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:41,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:41,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:41,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:41,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:41,874 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:41,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:41,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:41,875 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_000c788d-89ce-401b-90fa-d45db546d4d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2021-11-22 23:24:42,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:42,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:42,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:42,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:42,208 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:42,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2021-11-22 23:24:42,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/data/0451d0824/b57f507cb32645f19eb18b635d9aaa4c/FLAG1b19f7d8a [2021-11-22 23:24:42,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:42,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2021-11-22 23:24:42,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/data/0451d0824/b57f507cb32645f19eb18b635d9aaa4c/FLAG1b19f7d8a [2021-11-22 23:24:43,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/data/0451d0824/b57f507cb32645f19eb18b635d9aaa4c [2021-11-22 23:24:43,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:43,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:43,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:43,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:43,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:43,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c85fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43, skipping insertion in model container [2021-11-22 23:24:43,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:43,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:43,428 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_000c788d-89ce-401b-90fa-d45db546d4d4/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2021-11-22 23:24:43,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:43,490 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:43,504 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_000c788d-89ce-401b-90fa-d45db546d4d4/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2021-11-22 23:24:43,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:43,560 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:43,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43 WrapperNode [2021-11-22 23:24:43,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:43,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:43,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:43,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:43,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,630 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2021-11-22 23:24:43,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:43,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:43,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:43,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:43,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:43,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:43,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:43,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:43,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:43,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_000c788d-89ce-401b-90fa-d45db546d4d4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:24:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:24:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:24:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:24:43,859 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:43,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:44,091 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:44,182 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:44,182 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-22 23:24:44,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:44 BoogieIcfgContainer [2021-11-22 23:24:44,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:44,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:44,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:44,213 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:44,213 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-22 23:24:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-22 23:24:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:24:44,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-22 23:24:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-22 23:24:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:24:44,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2021-11-22 23:24:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2021-11-22 23:24:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:24:44,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2021-11-22 23:24:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2021-11-22 23:24:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:24:45,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2021-11-22 23:24:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2021-11-22 23:24:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:24:45,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-22 23:24:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-22 23:24:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:24:45,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-22 23:24:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-22 23:24:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:24:45,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2021-11-22 23:24:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2021-11-22 23:24:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:24:45,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-22 23:24:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-22 23:24:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:24:46,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-11-22 23:24:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-11-22 23:24:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:24:46,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2021-11-22 23:24:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2021-11-22 23:24:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:24:46,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2021-11-22 23:24:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2021-11-22 23:24:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:24:46,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2021-11-22 23:24:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-22 23:24:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:24:47,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2021-11-22 23:24:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2021-11-22 23:24:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:47,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2021-11-22 23:24:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2021-11-22 23:24:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:47,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-11-22 23:24:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-11-22 23:24:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:48,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2021-11-22 23:24:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2021-11-22 23:24:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:24:48,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2021-11-22 23:24:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-22 23:24:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:48,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-22 23:24:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-22 23:24:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:48,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2021-11-22 23:24:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-11-22 23:24:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:49,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2021-11-22 23:24:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-11-22 23:24:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:24:49,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2021-11-22 23:24:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2021-11-22 23:24:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:49,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2021-11-22 23:24:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2021-11-22 23:24:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:24:50,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2021-11-22 23:24:50,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2021-11-22 23:24:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:24:50,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2021-11-22 23:24:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2021-11-22 23:24:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:24:51,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2021-11-22 23:24:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2021-11-22 23:24:51,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:24:51,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2021-11-22 23:24:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2021-11-22 23:24:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:24:51,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2021-11-22 23:24:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-11-22 23:24:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:24:52,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2021-11-22 23:24:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-11-22 23:24:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:24:52,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-22 23:24:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-22 23:24:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:24:53,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2021-11-22 23:24:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2021-11-22 23:24:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:53,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2021-11-22 23:24:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-22 23:24:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:24:54,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2021-11-22 23:24:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2021-11-22 23:24:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:24:54,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-22 23:24:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-22 23:24:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:24:55,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-22 23:24:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-22 23:24:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:24:55,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-22 23:24:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-22 23:24:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:24:55,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 51 states and 64 transitions. [2021-11-22 23:24:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2021-11-22 23:24:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:24:56,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2021-11-22 23:24:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2021-11-22 23:24:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:24:56,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2021-11-22 23:24:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2021-11-22 23:24:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:24:57,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2021-11-22 23:24:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-11-22 23:24:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:24:58,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2021-11-22 23:24:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-11-22 23:24:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:24:58,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2021-11-22 23:24:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2021-11-22 23:24:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:24:59,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2021-11-22 23:24:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2021-11-22 23:24:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:24:59,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2021-11-22 23:25:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2021-11-22 23:25:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:25:00,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2021-11-22 23:25:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-11-22 23:25:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:25:00,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:01,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2021-11-22 23:25:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2021-11-22 23:25:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:25:01,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2021-11-22 23:25:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2021-11-22 23:25:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:25:01,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 62 states and 75 transitions. [2021-11-22 23:25:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2021-11-22 23:25:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:25:02,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 76 transitions. [2021-11-22 23:25:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2021-11-22 23:25:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:25:03,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2021-11-22 23:25:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2021-11-22 23:25:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:25:03,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2021-11-22 23:25:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2021-11-22 23:25:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:25:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2021-11-22 23:25:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2021-11-22 23:25:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:25:04,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2021-11-22 23:25:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2021-11-22 23:25:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:25:05,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2021-11-22 23:25:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2021-11-22 23:25:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:25:06,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2021-11-22 23:25:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2021-11-22 23:25:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:25:06,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:25:06,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 70 states and 83 transitions. [2021-11-22 23:25:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2021-11-22 23:25:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:25:07,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-22 23:25:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-22 23:25:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:25:08,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2021-11-22 23:25:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2021-11-22 23:25:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:25:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2021-11-22 23:25:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2021-11-22 23:25:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:25:09,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 74 states and 87 transitions. [2021-11-22 23:25:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2021-11-22 23:25:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:25:10,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 88 transitions. [2021-11-22 23:25:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2021-11-22 23:25:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:25:10,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 76 states and 89 transitions. [2021-11-22 23:25:11,343 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2021-11-22 23:25:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:25:11,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2021-11-22 23:25:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2021-11-22 23:25:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:25:12,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-22 23:25:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-22 23:25:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:25:12,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-22 23:25:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-22 23:25:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:25:13,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2021-11-22 23:25:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2021-11-22 23:25:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:25:14,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2021-11-22 23:25:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-22 23:25:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:25:14,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:14,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-22 23:25:14,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2021-11-22 23:25:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2021-11-22 23:25:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:25:15,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2021-11-22 23:25:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2021-11-22 23:25:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:25:16,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2021-11-22 23:25:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2021-11-22 23:25:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:25:17,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2021-11-22 23:25:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2021-11-22 23:25:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:25:17,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2021-11-22 23:25:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2021-11-22 23:25:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:25:18,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2021-11-22 23:25:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2021-11-22 23:25:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:25:19,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2021-11-22 23:25:20,412 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2021-11-22 23:25:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:25:20,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:20,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:20,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-22 23:25:20,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2021-11-22 23:25:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2021-11-22 23:25:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:25:21,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2021-11-22 23:25:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2021-11-22 23:25:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:25:21,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2021-11-22 23:25:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-11-22 23:25:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:25:22,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2021-11-22 23:25:23,611 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2021-11-22 23:25:23,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:25:23,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 106 transitions. [2021-11-22 23:25:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2021-11-22 23:25:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:25:24,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2021-11-22 23:25:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2021-11-22 23:25:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:25:25,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:25,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-22 23:25:25,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2021-11-22 23:25:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-11-22 23:25:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:25:26,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-22 23:25:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-22 23:25:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:25:27,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2021-11-22 23:25:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2021-11-22 23:25:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:25:27,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2021-11-22 23:25:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2021-11-22 23:25:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:25:28,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2021-11-22 23:25:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-11-22 23:25:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:25:29,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:29,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-22 23:25:29,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2021-11-22 23:25:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2021-11-22 23:25:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:25:30,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2021-11-22 23:25:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2021-11-22 23:25:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:25:31,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2021-11-22 23:25:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2021-11-22 23:25:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:25:32,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2021-11-22 23:25:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2021-11-22 23:25:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:25:33,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2021-11-22 23:25:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2021-11-22 23:25:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:25:34,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:34,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:34,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-22 23:25:34,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2021-11-22 23:25:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2021-11-22 23:25:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:25:35,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-22 23:25:35,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2021-11-22 23:25:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2021-11-22 23:25:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:25:36,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:36,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-22 23:25:36,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2021-11-22 23:25:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2021-11-22 23:25:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:25:37,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-22 23:25:37,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2021-11-22 23:25:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2021-11-22 23:25:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:25:38,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:38,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:38,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-22 23:25:38,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2021-11-22 23:25:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2021-11-22 23:25:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:25:39,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-22 23:25:39,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:40,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 110 states and 123 transitions. [2021-11-22 23:25:40,427 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2021-11-22 23:25:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:25:40,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-22 23:25:40,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 111 states and 124 transitions. [2021-11-22 23:25:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2021-11-22 23:25:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:25:41,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:41,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-22 23:25:41,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 112 states and 125 transitions. [2021-11-22 23:25:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 125 transitions. [2021-11-22 23:25:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:25:42,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-22 23:25:42,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 113 states and 126 transitions. [2021-11-22 23:25:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2021-11-22 23:25:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:25:43,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 23:25:43,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 114 states and 127 transitions. [2021-11-22 23:25:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2021-11-22 23:25:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:25:44,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:44,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-22 23:25:44,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 115 states and 128 transitions. [2021-11-22 23:25:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 128 transitions. [2021-11-22 23:25:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:25:45,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-22 23:25:45,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 116 states and 129 transitions. [2021-11-22 23:25:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2021-11-22 23:25:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:25:46,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-22 23:25:46,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 117 states and 130 transitions. [2021-11-22 23:25:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 130 transitions. [2021-11-22 23:25:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 23:25:47,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:47,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:47,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-22 23:25:47,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 118 states and 131 transitions. [2021-11-22 23:25:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 131 transitions. [2021-11-22 23:25:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:25:48,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:48,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-22 23:25:48,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 119 states and 132 transitions. [2021-11-22 23:25:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2021-11-22 23:25:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:25:49,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:49,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-22 23:25:50,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 120 states and 133 transitions. [2021-11-22 23:25:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2021-11-22 23:25:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:25:50,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:50,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:51,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-22 23:25:51,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 121 states and 134 transitions. [2021-11-22 23:25:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2021-11-22 23:25:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:25:52,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:52,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-22 23:25:52,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 122 states and 135 transitions. [2021-11-22 23:25:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 135 transitions. [2021-11-22 23:25:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:25:53,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:53,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:53,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-22 23:25:53,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 123 states and 136 transitions. [2021-11-22 23:25:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2021-11-22 23:25:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:25:54,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-22 23:25:54,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 124 states and 137 transitions. [2021-11-22 23:25:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2021-11-22 23:25:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:25:55,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:55,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:55,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-22 23:25:55,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 125 states and 138 transitions. [2021-11-22 23:25:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2021-11-22 23:25:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:25:56,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:56,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 23:25:56,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 126 states and 139 transitions. [2021-11-22 23:25:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2021-11-22 23:25:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:25:57,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:57,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:57,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-22 23:25:57,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 127 states and 140 transitions. [2021-11-22 23:25:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2021-11-22 23:25:58,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:25:58,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:58,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:58,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-22 23:25:58,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 128 states and 141 transitions. [2021-11-22 23:25:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2021-11-22 23:25:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:25:59,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:59,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:00,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-22 23:26:00,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 129 states and 142 transitions. [2021-11-22 23:26:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2021-11-22 23:26:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:26:01,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:01,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-22 23:26:01,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 130 states and 143 transitions. [2021-11-22 23:26:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2021-11-22 23:26:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:26:02,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:02,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:02,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-22 23:26:02,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 131 states and 144 transitions. [2021-11-22 23:26:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2021-11-22 23:26:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:26:03,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:03,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-22 23:26:03,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 132 states and 145 transitions. [2021-11-22 23:26:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 145 transitions. [2021-11-22 23:26:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:26:04,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:04,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-22 23:26:04,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 133 states and 146 transitions. [2021-11-22 23:26:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2021-11-22 23:26:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:26:05,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:05,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-22 23:26:05,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:06,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 134 states and 147 transitions. [2021-11-22 23:26:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2021-11-22 23:26:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:26:07,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:07,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-22 23:26:07,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2021-11-22 23:26:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2021-11-22 23:26:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:26:08,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-22 23:26:08,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2021-11-22 23:26:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2021-11-22 23:26:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:26:09,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:09,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:09,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-22 23:26:09,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2021-11-22 23:26:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2021-11-22 23:26:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:26:10,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:10,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-22 23:26:10,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 138 states and 151 transitions. [2021-11-22 23:26:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 151 transitions. [2021-11-22 23:26:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:26:12,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:12,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:12,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-22 23:26:12,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2021-11-22 23:26:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2021-11-22 23:26:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:26:13,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:13,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:13,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-22 23:26:13,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7505 backedges. 2 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2021-11-22 23:26:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2021-11-22 23:26:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:26:14,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:14,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:14,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-22 23:26:14,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 7628 backedges. 2 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 141 states and 154 transitions. [2021-11-22 23:26:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2021-11-22 23:26:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:26:15,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-22 23:26:16,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 142 states and 155 transitions. [2021-11-22 23:26:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 155 transitions. [2021-11-22 23:26:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:26:17,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:17,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-22 23:26:17,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7877 backedges. 2 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2021-11-22 23:26:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2021-11-22 23:26:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:26:18,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:18,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:18,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-22 23:26:18,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 2 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 144 states and 157 transitions. [2021-11-22 23:26:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2021-11-22 23:26:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-22 23:26:19,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:19,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-22 23:26:19,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8130 backedges. 2 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2021-11-22 23:26:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2021-11-22 23:26:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:26:21,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:21,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:21,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-22 23:26:21,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 8258 backedges. 2 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 146 states and 159 transitions. [2021-11-22 23:26:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2021-11-22 23:26:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:26:22,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:22,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:22,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-22 23:26:22,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8387 backedges. 2 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 147 states and 160 transitions. [2021-11-22 23:26:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2021-11-22 23:26:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:26:23,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:24,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-22 23:26:24,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 8517 backedges. 2 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:25,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 148 states and 161 transitions. [2021-11-22 23:26:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 161 transitions. [2021-11-22 23:26:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:26:25,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:25,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:25,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-22 23:26:25,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 2 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 149 states and 162 transitions. [2021-11-22 23:26:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 162 transitions. [2021-11-22 23:26:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:26:26,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:26,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-22 23:26:26,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 150 states and 163 transitions. [2021-11-22 23:26:27,981 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 163 transitions. [2021-11-22 23:26:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:26:27,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:27,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:28,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-22 23:26:28,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 2 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 151 states and 164 transitions. [2021-11-22 23:26:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-11-22 23:26:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:26:29,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:29,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-22 23:26:29,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9047 backedges. 2 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 152 states and 165 transitions. [2021-11-22 23:26:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 165 transitions. [2021-11-22 23:26:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:26:30,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:30,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:30,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-22 23:26:30,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9182 backedges. 2 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 153 states and 166 transitions. [2021-11-22 23:26:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2021-11-22 23:26:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-22 23:26:32,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:32,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:32,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-22 23:26:32,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9318 backedges. 2 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 154 states and 167 transitions. [2021-11-22 23:26:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2021-11-22 23:26:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:26:33,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:33,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:33,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-22 23:26:33,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 9455 backedges. 2 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 155 states and 168 transitions. [2021-11-22 23:26:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2021-11-22 23:26:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:26:35,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:35,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:35,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-22 23:26:35,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9593 backedges. 2 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 156 states and 169 transitions. [2021-11-22 23:26:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2021-11-22 23:26:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:26:36,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:36,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:36,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-22 23:26:36,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 157 states and 170 transitions. [2021-11-22 23:26:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2021-11-22 23:26:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:26:38,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:38,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:38,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-22 23:26:38,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 9872 backedges. 2 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 158 states and 171 transitions. [2021-11-22 23:26:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2021-11-22 23:26:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-22 23:26:39,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:39,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:39,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-22 23:26:39,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10013 backedges. 2 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 159 states and 172 transitions. [2021-11-22 23:26:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2021-11-22 23:26:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-22 23:26:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:41,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-22 23:26:41,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10155 backedges. 2 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 160 states and 173 transitions. [2021-11-22 23:26:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2021-11-22 23:26:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:26:42,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:42,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:42,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-22 23:26:42,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 10298 backedges. 2 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2021-11-22 23:26:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2021-11-22 23:26:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-22 23:26:44,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:44,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-22 23:26:44,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 2 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 162 states and 175 transitions. [2021-11-22 23:26:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 175 transitions. [2021-11-22 23:26:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:26:45,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:45,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:45,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-22 23:26:45,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10587 backedges. 2 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 163 states and 176 transitions. [2021-11-22 23:26:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2021-11-22 23:26:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:26:47,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:47,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:47,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-22 23:26:47,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10733 backedges. 2 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 164 states and 177 transitions. [2021-11-22 23:26:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 177 transitions. [2021-11-22 23:26:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:26:48,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:48,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-22 23:26:48,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10880 backedges. 2 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 165 states and 178 transitions. [2021-11-22 23:26:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2021-11-22 23:26:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:26:50,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:50,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:50,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-22 23:26:50,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 11028 backedges. 2 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 166 states and 179 transitions. [2021-11-22 23:26:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 179 transitions. [2021-11-22 23:26:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:26:51,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:51,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:52,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-22 23:26:52,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 11177 backedges. 2 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 167 states and 180 transitions. [2021-11-22 23:26:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2021-11-22 23:26:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:26:53,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:53,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-22 23:26:53,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11327 backedges. 2 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 168 states and 181 transitions. [2021-11-22 23:26:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 181 transitions. [2021-11-22 23:26:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:26:55,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:55,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:55,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-22 23:26:55,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11478 backedges. 2 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 169 states and 182 transitions. [2021-11-22 23:26:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 182 transitions. [2021-11-22 23:26:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-22 23:26:56,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:56,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:57,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-22 23:26:57,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 170 states and 183 transitions. [2021-11-22 23:26:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 183 transitions. [2021-11-22 23:26:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:26:58,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:58,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-22 23:26:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 11783 backedges. 2 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 171 states and 184 transitions. [2021-11-22 23:27:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 184 transitions. [2021-11-22 23:27:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:27:00,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:00,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:00,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-22 23:27:00,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11937 backedges. 2 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:01,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 172 states and 185 transitions. [2021-11-22 23:27:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 185 transitions. [2021-11-22 23:27:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:27:01,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:01,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:01,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-22 23:27:01,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12092 backedges. 2 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 173 states and 186 transitions. [2021-11-22 23:27:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 186 transitions. [2021-11-22 23:27:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:27:03,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:03,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:03,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-22 23:27:03,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12248 backedges. 2 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 174 states and 187 transitions. [2021-11-22 23:27:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 187 transitions. [2021-11-22 23:27:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-22 23:27:05,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:05,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:05,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-22 23:27:05,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12405 backedges. 2 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 175 states and 188 transitions. [2021-11-22 23:27:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2021-11-22 23:27:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:27:06,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:06,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:07,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-22 23:27:07,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12563 backedges. 2 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 176 states and 189 transitions. [2021-11-22 23:27:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2021-11-22 23:27:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:27:08,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:08,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:08,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-22 23:27:08,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12722 backedges. 2 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 177 states and 190 transitions. [2021-11-22 23:27:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 190 transitions. [2021-11-22 23:27:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-22 23:27:10,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:10,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:10,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-22 23:27:10,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 2 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 178 states and 191 transitions. [2021-11-22 23:27:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2021-11-22 23:27:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:27:12,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:12,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:12,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-22 23:27:12,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 13043 backedges. 2 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 179 states and 192 transitions. [2021-11-22 23:27:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 192 transitions. [2021-11-22 23:27:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-22 23:27:13,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:13,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:13,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-22 23:27:13,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13205 backedges. 2 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 180 states and 193 transitions. [2021-11-22 23:27:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 193 transitions. [2021-11-22 23:27:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:27:15,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:15,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-22 23:27:15,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13368 backedges. 2 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 181 states and 194 transitions. [2021-11-22 23:27:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 194 transitions. [2021-11-22 23:27:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:27:17,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:17,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:17,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-22 23:27:17,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13532 backedges. 2 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 182 states and 195 transitions. [2021-11-22 23:27:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 195 transitions. [2021-11-22 23:27:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-22 23:27:19,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:19,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:19,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-22 23:27:19,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13697 backedges. 2 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 183 states and 196 transitions. [2021-11-22 23:27:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 196 transitions. [2021-11-22 23:27:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:27:20,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:20,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:21,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-22 23:27:21,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13863 backedges. 2 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 184 states and 197 transitions. [2021-11-22 23:27:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 197 transitions. [2021-11-22 23:27:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:27:22,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:22,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:22,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-22 23:27:22,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14030 backedges. 2 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 185 states and 198 transitions. [2021-11-22 23:27:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 198 transitions. [2021-11-22 23:27:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-22 23:27:24,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:24,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:24,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-22 23:27:24,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 2 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 186 states and 199 transitions. [2021-11-22 23:27:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 199 transitions. [2021-11-22 23:27:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-22 23:27:26,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:26,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-22 23:27:26,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14367 backedges. 2 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:28,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 187 states and 200 transitions. [2021-11-22 23:27:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 200 transitions. [2021-11-22 23:27:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-22 23:27:28,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:28,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:28,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-22 23:27:28,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14537 backedges. 2 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 188 states and 201 transitions. [2021-11-22 23:27:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 201 transitions. [2021-11-22 23:27:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-22 23:27:30,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:30,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-22 23:27:30,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 14708 backedges. 2 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 189 states and 202 transitions. [2021-11-22 23:27:32,170 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 202 transitions. [2021-11-22 23:27:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-22 23:27:32,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:32,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:32,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-22 23:27:32,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14880 backedges. 2 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 190 states and 203 transitions. [2021-11-22 23:27:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 203 transitions. [2021-11-22 23:27:34,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:27:34,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:34,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:34,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-22 23:27:34,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15053 backedges. 2 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:36,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 191 states and 204 transitions. [2021-11-22 23:27:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 204 transitions. [2021-11-22 23:27:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-22 23:27:36,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:36,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:36,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-22 23:27:36,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15227 backedges. 2 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 192 states and 205 transitions. [2021-11-22 23:27:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 205 transitions. [2021-11-22 23:27:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-22 23:27:38,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:38,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:38,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-22 23:27:38,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15402 backedges. 2 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 193 states and 206 transitions. [2021-11-22 23:27:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 206 transitions. [2021-11-22 23:27:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-22 23:27:40,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:40,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:40,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-22 23:27:40,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15578 backedges. 2 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 194 states and 207 transitions. [2021-11-22 23:27:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 207 transitions. [2021-11-22 23:27:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-22 23:27:41,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:42,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-22 23:27:42,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15755 backedges. 2 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 195 states and 208 transitions. [2021-11-22 23:27:43,895 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 208 transitions. [2021-11-22 23:27:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-22 23:27:43,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:44,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-22 23:27:44,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 2 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 196 states and 209 transitions. [2021-11-22 23:27:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 209 transitions. [2021-11-22 23:27:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-22 23:27:45,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:45,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:46,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-22 23:27:46,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 16112 backedges. 2 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 197 states and 210 transitions. [2021-11-22 23:27:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 210 transitions. [2021-11-22 23:27:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:27:48,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:48,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:48,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-22 23:27:48,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16292 backedges. 2 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 198 states and 211 transitions. [2021-11-22 23:27:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 211 transitions. [2021-11-22 23:27:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-22 23:27:49,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:49,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:50,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-22 23:27:50,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16473 backedges. 2 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 199 states and 212 transitions. [2021-11-22 23:27:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 212 transitions. [2021-11-22 23:27:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-22 23:27:51,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:52,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-22 23:27:52,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16655 backedges. 2 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 200 states and 213 transitions. [2021-11-22 23:27:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 213 transitions. [2021-11-22 23:27:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-22 23:27:53,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:53,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:54,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-22 23:27:54,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16838 backedges. 2 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 201 states and 214 transitions. [2021-11-22 23:27:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 214 transitions. [2021-11-22 23:27:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-22 23:27:56,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:56,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-22 23:27:56,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 17022 backedges. 2 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 202 states and 215 transitions. [2021-11-22 23:27:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 215 transitions. [2021-11-22 23:27:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:27:58,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:58,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-22 23:27:58,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 17207 backedges. 2 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 203 states and 216 transitions. [2021-11-22 23:28:00,139 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 216 transitions. [2021-11-22 23:28:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-22 23:28:00,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:00,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-22 23:28:00,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17393 backedges. 2 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 204 states and 217 transitions. [2021-11-22 23:28:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 217 transitions. [2021-11-22 23:28:02,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-22 23:28:02,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:02,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:02,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-22 23:28:02,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17580 backedges. 2 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 205 states and 218 transitions. [2021-11-22 23:28:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 218 transitions. [2021-11-22 23:28:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 23:28:04,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:04,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:04,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-22 23:28:04,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17768 backedges. 2 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 206 states and 219 transitions. [2021-11-22 23:28:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 219 transitions. [2021-11-22 23:28:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:28:06,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:06,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:06,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-22 23:28:06,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17957 backedges. 2 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 207 states and 220 transitions. [2021-11-22 23:28:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 220 transitions. [2021-11-22 23:28:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-22 23:28:08,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:08,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:08,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-22 23:28:08,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18147 backedges. 2 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 208 states and 221 transitions. [2021-11-22 23:28:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 221 transitions. [2021-11-22 23:28:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-22 23:28:10,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:10,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:10,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-22 23:28:10,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 18338 backedges. 2 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 209 states and 222 transitions. [2021-11-22 23:28:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 222 transitions. [2021-11-22 23:28:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-22 23:28:13,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:13,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:13,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-22 23:28:13,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 18530 backedges. 2 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 210 states and 223 transitions. [2021-11-22 23:28:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2021-11-22 23:28:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-22 23:28:15,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:15,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-22 23:28:15,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 18723 backedges. 2 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 211 states and 224 transitions. [2021-11-22 23:28:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2021-11-22 23:28:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-22 23:28:17,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:17,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:17,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-22 23:28:17,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18917 backedges. 2 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 212 states and 225 transitions. [2021-11-22 23:28:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 225 transitions. [2021-11-22 23:28:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-22 23:28:19,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:19,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:19,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-22 23:28:19,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19112 backedges. 2 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 213 states and 226 transitions. [2021-11-22 23:28:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 226 transitions. [2021-11-22 23:28:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:28:21,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:21,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:22,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-22 23:28:22,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 19308 backedges. 2 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 214 states and 227 transitions. [2021-11-22 23:28:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 227 transitions. [2021-11-22 23:28:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:28:23,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:24,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-22 23:28:24,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19505 backedges. 2 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 215 states and 228 transitions. [2021-11-22 23:28:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 228 transitions. [2021-11-22 23:28:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 23:28:26,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:26,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:26,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-22 23:28:26,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 19703 backedges. 2 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 216 states and 229 transitions. [2021-11-22 23:28:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 229 transitions. [2021-11-22 23:28:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 23:28:28,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:28,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-22 23:28:28,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 19902 backedges. 2 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 217 states and 230 transitions. [2021-11-22 23:28:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 230 transitions. [2021-11-22 23:28:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-22 23:28:30,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:30,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:31,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-22 23:28:31,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20102 backedges. 2 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 218 states and 231 transitions. [2021-11-22 23:28:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 231 transitions. [2021-11-22 23:28:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-22 23:28:32,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:32,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:33,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-22 23:28:33,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 20303 backedges. 2 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 219 states and 232 transitions. [2021-11-22 23:28:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 232 transitions. [2021-11-22 23:28:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-22 23:28:35,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:35,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:35,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-22 23:28:35,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20505 backedges. 2 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 220 states and 233 transitions. [2021-11-22 23:28:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2021-11-22 23:28:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 23:28:37,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:37,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:37,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-22 23:28:37,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20708 backedges. 2 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 221 states and 234 transitions. [2021-11-22 23:28:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 234 transitions. [2021-11-22 23:28:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:28:40,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:40,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:40,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-22 23:28:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20912 backedges. 2 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 222 states and 235 transitions. [2021-11-22 23:28:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 235 transitions. [2021-11-22 23:28:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-22 23:28:42,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:42,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:42,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-22 23:28:42,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21117 backedges. 2 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 223 states and 236 transitions. [2021-11-22 23:28:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 236 transitions. [2021-11-22 23:28:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:28:44,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:44,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:44,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-22 23:28:44,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 2 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 224 states and 237 transitions. [2021-11-22 23:28:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 237 transitions. [2021-11-22 23:28:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-22 23:28:46,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:46,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:47,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-22 23:28:47,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 21530 backedges. 2 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 225 states and 238 transitions. [2021-11-22 23:28:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 238 transitions. [2021-11-22 23:28:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-22 23:28:49,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:49,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:49,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-22 23:28:49,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 2 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 226 states and 239 transitions. [2021-11-22 23:28:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 239 transitions. [2021-11-22 23:28:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:28:51,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:51,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:51,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-22 23:28:51,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 21947 backedges. 2 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 227 states and 240 transitions. [2021-11-22 23:28:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 240 transitions. [2021-11-22 23:28:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-22 23:28:53,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:53,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:54,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-22 23:28:54,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22157 backedges. 2 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 228 states and 241 transitions. [2021-11-22 23:28:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 241 transitions. [2021-11-22 23:28:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 23:28:56,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:56,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-22 23:28:56,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22368 backedges. 2 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:58,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 229 states and 242 transitions. [2021-11-22 23:28:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 242 transitions. [2021-11-22 23:28:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:28:58,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:58,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-22 23:28:59,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22580 backedges. 2 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 230 states and 243 transitions. [2021-11-22 23:29:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 243 transitions. [2021-11-22 23:29:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-22 23:29:01,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:01,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:01,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-22 23:29:01,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 22793 backedges. 2 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 231 states and 244 transitions. [2021-11-22 23:29:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 244 transitions. [2021-11-22 23:29:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-22 23:29:03,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:03,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:04,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-22 23:29:04,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 23007 backedges. 2 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 232 states and 245 transitions. [2021-11-22 23:29:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 245 transitions. [2021-11-22 23:29:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-22 23:29:06,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:06,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:06,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-22 23:29:06,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 23222 backedges. 2 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 233 states and 246 transitions. [2021-11-22 23:29:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 246 transitions. [2021-11-22 23:29:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 23:29:08,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:08,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:08,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-22 23:29:08,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 23438 backedges. 2 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 234 states and 247 transitions. [2021-11-22 23:29:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 247 transitions. [2021-11-22 23:29:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-22 23:29:11,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:11,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:11,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-22 23:29:11,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 23655 backedges. 2 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 235 states and 248 transitions. [2021-11-22 23:29:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 248 transitions. [2021-11-22 23:29:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-22 23:29:13,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:13,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-22 23:29:14,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 23873 backedges. 2 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 236 states and 249 transitions. [2021-11-22 23:29:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 249 transitions. [2021-11-22 23:29:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-22 23:29:16,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:16,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-22 23:29:16,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24092 backedges. 2 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 237 states and 250 transitions. [2021-11-22 23:29:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 250 transitions. [2021-11-22 23:29:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-22 23:29:18,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:18,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:18,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-22 23:29:18,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24312 backedges. 2 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 238 states and 251 transitions. [2021-11-22 23:29:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 251 transitions. [2021-11-22 23:29:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 23:29:21,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:21,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:21,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-22 23:29:21,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24533 backedges. 2 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 239 states and 252 transitions. [2021-11-22 23:29:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 252 transitions. [2021-11-22 23:29:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-22 23:29:23,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:23,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:24,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-22 23:29:24,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 24755 backedges. 2 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 240 states and 253 transitions. [2021-11-22 23:29:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 253 transitions. [2021-11-22 23:29:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-22 23:29:26,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:26,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:26,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-22 23:29:26,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 24978 backedges. 2 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 241 states and 254 transitions. [2021-11-22 23:29:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 254 transitions. [2021-11-22 23:29:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-22 23:29:29,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:29,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-22 23:29:29,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 25202 backedges. 2 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 242 states and 255 transitions. [2021-11-22 23:29:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 255 transitions. [2021-11-22 23:29:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-22 23:29:31,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:31,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:31,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-22 23:29:32,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:33,379 INFO L134 CoverageAnalysis]: Checked inductivity of 25427 backedges. 2 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 243 states and 256 transitions. [2021-11-22 23:29:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 256 transitions. [2021-11-22 23:29:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:29:34,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:34,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:34,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-22 23:29:34,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 25653 backedges. 2 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 244 states and 257 transitions. [2021-11-22 23:29:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 257 transitions. [2021-11-22 23:29:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 23:29:36,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:36,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:37,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-22 23:29:37,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 25880 backedges. 2 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 245 states and 258 transitions. [2021-11-22 23:29:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 258 transitions. [2021-11-22 23:29:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-22 23:29:39,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:39,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:40,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-22 23:29:40,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 26108 backedges. 2 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 246 states and 259 transitions. [2021-11-22 23:29:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 259 transitions. [2021-11-22 23:29:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-22 23:29:42,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:42,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:42,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1469 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-22 23:29:42,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26337 backedges. 2 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 247 states and 260 transitions. [2021-11-22 23:29:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 260 transitions. [2021-11-22 23:29:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-22 23:29:45,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:45,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:45,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-22 23:29:45,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 26567 backedges. 2 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 248 states and 261 transitions. [2021-11-22 23:29:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 261 transitions. [2021-11-22 23:29:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-22 23:29:47,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:48,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-22 23:29:48,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 26798 backedges. 2 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 249 states and 262 transitions. [2021-11-22 23:29:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 262 transitions. [2021-11-22 23:29:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-22 23:29:50,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:50,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:50,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-22 23:29:50,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 27030 backedges. 2 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 250 states and 263 transitions. [2021-11-22 23:29:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 263 transitions. [2021-11-22 23:29:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-22 23:29:53,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:53,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:53,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-22 23:29:53,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27263 backedges. 2 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 251 states and 264 transitions. [2021-11-22 23:29:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 264 transitions. [2021-11-22 23:29:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-22 23:29:56,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:56,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:56,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-22 23:29:56,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 27497 backedges. 2 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 252 states and 265 transitions. [2021-11-22 23:29:58,612 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 265 transitions. [2021-11-22 23:29:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-22 23:29:58,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:58,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:58,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-22 23:29:58,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 27732 backedges. 2 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 253 states and 266 transitions. [2021-11-22 23:30:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 266 transitions. [2021-11-22 23:30:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-22 23:30:01,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:01,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-22 23:30:01,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 27968 backedges. 2 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 254 states and 267 transitions. [2021-11-22 23:30:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 267 transitions. [2021-11-22 23:30:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-22 23:30:04,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:04,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:04,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-22 23:30:04,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28205 backedges. 2 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:06,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 255 states and 268 transitions. [2021-11-22 23:30:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 268 transitions. [2021-11-22 23:30:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-22 23:30:06,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:06,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:07,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-22 23:30:07,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 28443 backedges. 2 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 256 states and 269 transitions. [2021-11-22 23:30:09,741 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 269 transitions. [2021-11-22 23:30:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-22 23:30:09,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:09,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:09,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1529 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-22 23:30:09,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 28682 backedges. 2 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 257 states and 270 transitions. [2021-11-22 23:30:12,511 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 270 transitions. [2021-11-22 23:30:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-22 23:30:12,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:12,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:12,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-22 23:30:12,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28922 backedges. 2 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 258 states and 271 transitions. [2021-11-22 23:30:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 271 transitions. [2021-11-22 23:30:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-22 23:30:15,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:15,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:15,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-22 23:30:15,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 29163 backedges. 2 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 259 states and 272 transitions. [2021-11-22 23:30:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 272 transitions. [2021-11-22 23:30:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-22 23:30:17,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:17,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:17,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-22 23:30:17,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 29405 backedges. 2 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 260 states and 273 transitions. [2021-11-22 23:30:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 273 transitions. [2021-11-22 23:30:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-22 23:30:20,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:20,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:20,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-22 23:30:20,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 29648 backedges. 2 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 261 states and 274 transitions. [2021-11-22 23:30:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 274 transitions. [2021-11-22 23:30:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-22 23:30:22,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:22,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:22,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-22 23:30:22,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 29892 backedges. 2 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 262 states and 275 transitions. [2021-11-22 23:30:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2021-11-22 23:30:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 23:30:25,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:25,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:25,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-22 23:30:25,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30137 backedges. 2 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 263 states and 276 transitions. [2021-11-22 23:30:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 276 transitions. [2021-11-22 23:30:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-22 23:30:27,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:27,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:28,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-22 23:30:28,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30383 backedges. 2 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 264 states and 277 transitions. [2021-11-22 23:30:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 277 transitions. [2021-11-22 23:30:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-22 23:30:30,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:30,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:30,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-22 23:30:30,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30630 backedges. 2 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 265 states and 278 transitions. [2021-11-22 23:30:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 278 transitions. [2021-11-22 23:30:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-22 23:30:33,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:33,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:33,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1583 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-22 23:30:33,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30878 backedges. 2 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 266 states and 279 transitions. [2021-11-22 23:30:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 279 transitions. [2021-11-22 23:30:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-22 23:30:35,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:35,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:36,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1589 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-22 23:30:36,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 31127 backedges. 2 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:38,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 267 states and 280 transitions. [2021-11-22 23:30:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 280 transitions. [2021-11-22 23:30:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-22 23:30:38,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:38,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:38,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1595 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-22 23:30:38,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 31377 backedges. 2 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 268 states and 281 transitions. [2021-11-22 23:30:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 281 transitions. [2021-11-22 23:30:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 23:30:41,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:41,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:41,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-22 23:30:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 31628 backedges. 2 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 269 states and 282 transitions. [2021-11-22 23:30:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 282 transitions. [2021-11-22 23:30:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-22 23:30:43,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:43,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:44,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-22 23:30:44,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 31880 backedges. 2 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 270 states and 283 transitions. [2021-11-22 23:30:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 283 transitions. [2021-11-22 23:30:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-22 23:30:46,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:46,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:46,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-22 23:30:46,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 32133 backedges. 2 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:49,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 271 states and 284 transitions. [2021-11-22 23:30:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 284 transitions. [2021-11-22 23:30:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-22 23:30:49,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:49,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:49,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-22 23:30:49,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 32387 backedges. 2 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 272 states and 285 transitions. [2021-11-22 23:30:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 285 transitions. [2021-11-22 23:30:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-22 23:30:52,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:52,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:52,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-22 23:30:52,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 32642 backedges. 2 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 273 states and 286 transitions. [2021-11-22 23:30:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 286 transitions. [2021-11-22 23:30:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-22 23:30:54,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:54,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:54,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-22 23:30:54,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 32898 backedges. 2 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 274 states and 287 transitions. [2021-11-22 23:30:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 287 transitions. [2021-11-22 23:30:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-22 23:30:57,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:57,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:57,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-22 23:30:57,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 33155 backedges. 2 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 275 states and 288 transitions. [2021-11-22 23:31:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 288 transitions. [2021-11-22 23:31:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-22 23:31:00,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:00,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:00,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-22 23:31:00,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 33413 backedges. 2 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 276 states and 289 transitions. [2021-11-22 23:31:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 289 transitions. [2021-11-22 23:31:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-22 23:31:02,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:02,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:03,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-22 23:31:03,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 2 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 277 states and 290 transitions. [2021-11-22 23:31:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 290 transitions. [2021-11-22 23:31:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-22 23:31:05,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-22 23:31:05,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 33932 backedges. 2 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 278 states and 291 transitions. [2021-11-22 23:31:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 291 transitions. [2021-11-22 23:31:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-22 23:31:08,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:08,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-22 23:31:08,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 34193 backedges. 2 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 279 states and 292 transitions. [2021-11-22 23:31:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 292 transitions. [2021-11-22 23:31:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-22 23:31:11,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-22 23:31:11,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 34455 backedges. 2 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 280 states and 293 transitions. [2021-11-22 23:31:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 293 transitions. [2021-11-22 23:31:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-22 23:31:13,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 34718 backedges. 2 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 281 states and 294 transitions. [2021-11-22 23:31:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 294 transitions. [2021-11-22 23:31:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-22 23:31:16,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:16,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 34982 backedges. 2 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 282 states and 295 transitions. [2021-11-22 23:31:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 295 transitions. [2021-11-22 23:31:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-22 23:31:19,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:19,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 35247 backedges. 2 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 283 states and 296 transitions. [2021-11-22 23:31:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 296 transitions. [2021-11-22 23:31:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-22 23:31:21,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 35513 backedges. 2 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 284 states and 297 transitions. [2021-11-22 23:31:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 297 transitions. [2021-11-22 23:31:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-22 23:31:24,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1697 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-22 23:31:24,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 35780 backedges. 2 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 285 states and 298 transitions. [2021-11-22 23:31:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 298 transitions. [2021-11-22 23:31:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-22 23:31:27,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:27,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-22 23:31:27,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 36048 backedges. 2 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 286 states and 299 transitions. [2021-11-22 23:31:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 299 transitions. [2021-11-22 23:31:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 23:31:30,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-22 23:31:30,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36317 backedges. 2 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 287 states and 300 transitions. [2021-11-22 23:31:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 300 transitions. [2021-11-22 23:31:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-22 23:31:32,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:33,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-22 23:31:33,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36587 backedges. 2 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 288 states and 301 transitions. [2021-11-22 23:31:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 301 transitions. [2021-11-22 23:31:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-22 23:31:35,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:35,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:36,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1721 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-22 23:31:36,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 36858 backedges. 2 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 289 states and 302 transitions. [2021-11-22 23:31:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 302 transitions. [2021-11-22 23:31:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-22 23:31:38,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-22 23:31:38,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 37130 backedges. 2 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 290 states and 303 transitions. [2021-11-22 23:31:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 303 transitions. [2021-11-22 23:31:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-22 23:31:41,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-22 23:31:41,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 37403 backedges. 2 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 291 states and 304 transitions. [2021-11-22 23:31:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 304 transitions. [2021-11-22 23:31:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-22 23:31:44,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-22 23:31:44,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 37677 backedges. 2 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 292 states and 305 transitions. [2021-11-22 23:31:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 305 transitions. [2021-11-22 23:31:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-22 23:31:47,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:47,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:47,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-22 23:31:47,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 37952 backedges. 2 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 293 states and 306 transitions. [2021-11-22 23:31:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 306 transitions. [2021-11-22 23:31:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-22 23:31:50,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:50,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-22 23:31:50,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 38228 backedges. 2 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 294 states and 307 transitions. [2021-11-22 23:31:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 307 transitions. [2021-11-22 23:31:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-22 23:31:53,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:53,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1757 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38505 backedges. 2 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 295 states and 308 transitions. [2021-11-22 23:31:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 308 transitions. [2021-11-22 23:31:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-22 23:31:56,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1763 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38783 backedges. 2 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 296 states and 309 transitions. [2021-11-22 23:31:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 309 transitions. [2021-11-22 23:31:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-22 23:31:58,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 39062 backedges. 2 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 297 states and 310 transitions. [2021-11-22 23:32:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 310 transitions. [2021-11-22 23:32:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-22 23:32:02,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:02,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:02,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-22 23:32:02,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 39342 backedges. 2 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 298 states and 311 transitions. [2021-11-22 23:32:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 311 transitions. [2021-11-22 23:32:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 23:32:04,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:04,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:05,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-22 23:32:05,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 39623 backedges. 2 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 299 states and 312 transitions. [2021-11-22 23:32:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 312 transitions. [2021-11-22 23:32:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-22 23:32:07,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:07,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:07,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1787 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-22 23:32:07,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 39905 backedges. 2 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 300 states and 313 transitions. [2021-11-22 23:32:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 313 transitions. [2021-11-22 23:32:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-22 23:32:10,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:10,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:11,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1793 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-22 23:32:11,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 40188 backedges. 2 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2021-11-22 23:32:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2021-11-22 23:32:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 23:32:13,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:13,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:13,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1799 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-22 23:32:13,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 40472 backedges. 2 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2021-11-22 23:32:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2021-11-22 23:32:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-22 23:32:16,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:16,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:16,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-22 23:32:16,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 40757 backedges. 2 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2021-11-22 23:32:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2021-11-22 23:32:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-22 23:32:19,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:19,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:19,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-22 23:32:19,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 41043 backedges. 2 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2021-11-22 23:32:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2021-11-22 23:32:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-22 23:32:22,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:22,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:22,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-22 23:32:22,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 41330 backedges. 2 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 305 states and 318 transitions. [2021-11-22 23:32:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 318 transitions. [2021-11-22 23:32:24,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-22 23:32:24,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:24,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:25,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-22 23:32:25,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 41618 backedges. 2 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 306 states and 319 transitions. [2021-11-22 23:32:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 319 transitions. [2021-11-22 23:32:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-22 23:32:27,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:27,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:28,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-22 23:32:28,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 41907 backedges. 2 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 307 states and 320 transitions. [2021-11-22 23:32:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 320 transitions. [2021-11-22 23:32:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-22 23:32:30,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:30,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:30,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-22 23:32:30,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42197 backedges. 2 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 308 states and 321 transitions. [2021-11-22 23:32:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 321 transitions. [2021-11-22 23:32:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-22 23:32:33,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:33,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:33,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-22 23:32:33,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 42488 backedges. 2 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 309 states and 322 transitions. [2021-11-22 23:32:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 322 transitions. [2021-11-22 23:32:36,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-22 23:32:36,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:36,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1847 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-22 23:32:36,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 42780 backedges. 2 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 310 states and 323 transitions. [2021-11-22 23:32:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 323 transitions. [2021-11-22 23:32:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 23:32:39,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:39,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-22 23:32:39,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 43073 backedges. 2 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 311 states and 324 transitions. [2021-11-22 23:32:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 324 transitions. [2021-11-22 23:32:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-22 23:32:42,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:42,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:42,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-22 23:32:42,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 43367 backedges. 2 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 312 states and 325 transitions. [2021-11-22 23:32:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 325 transitions. [2021-11-22 23:32:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-22 23:32:45,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:45,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:45,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-22 23:32:45,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 43662 backedges. 2 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 313 states and 326 transitions. [2021-11-22 23:32:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 326 transitions. [2021-11-22 23:32:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-22 23:32:48,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:48,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:48,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-22 23:32:48,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 43958 backedges. 2 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 314 states and 327 transitions. [2021-11-22 23:32:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 327 transitions. [2021-11-22 23:32:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-22 23:32:51,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:51,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1877 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-22 23:32:51,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 44255 backedges. 2 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 315 states and 328 transitions. [2021-11-22 23:32:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 328 transitions. [2021-11-22 23:32:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-22 23:32:54,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:54,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:54,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-22 23:32:54,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 44553 backedges. 2 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 316 states and 329 transitions. [2021-11-22 23:32:57,031 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 329 transitions. [2021-11-22 23:32:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-22 23:32:57,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:57,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-22 23:32:57,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 44852 backedges. 2 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 317 states and 330 transitions. [2021-11-22 23:33:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 330 transitions. [2021-11-22 23:33:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-22 23:33:00,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:00,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:00,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1895 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-22 23:33:00,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 45152 backedges. 2 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 318 states and 331 transitions. [2021-11-22 23:33:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 331 transitions. [2021-11-22 23:33:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-22 23:33:02,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:02,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:03,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-22 23:33:03,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45453 backedges. 2 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 319 states and 332 transitions. [2021-11-22 23:33:06,111 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 332 transitions. [2021-11-22 23:33:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-22 23:33:06,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:06,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:06,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-22 23:33:06,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 45755 backedges. 2 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 320 states and 333 transitions. [2021-11-22 23:33:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 333 transitions. [2021-11-22 23:33:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-22 23:33:08,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:08,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:09,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-22 23:33:09,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 46058 backedges. 2 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 321 states and 334 transitions. [2021-11-22 23:33:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 334 transitions. [2021-11-22 23:33:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-22 23:33:12,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:12,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:12,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1919 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-22 23:33:12,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 46362 backedges. 2 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 322 states and 335 transitions. [2021-11-22 23:33:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 335 transitions. [2021-11-22 23:33:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-22 23:33:15,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:15,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-22 23:33:15,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 46667 backedges. 2 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 323 states and 336 transitions. [2021-11-22 23:33:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 336 transitions. [2021-11-22 23:33:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-22 23:33:18,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:18,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:18,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1931 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-22 23:33:18,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 46973 backedges. 2 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 324 states and 337 transitions. [2021-11-22 23:33:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 337 transitions. [2021-11-22 23:33:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-22 23:33:21,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:21,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:21,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-22 23:33:21,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 47280 backedges. 2 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 325 states and 338 transitions. [2021-11-22 23:33:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 338 transitions. [2021-11-22 23:33:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-22 23:33:24,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:24,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:24,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1943 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-22 23:33:24,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 47588 backedges. 2 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 326 states and 339 transitions. [2021-11-22 23:33:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 339 transitions. [2021-11-22 23:33:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-22 23:33:27,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:27,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:27,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-22 23:33:27,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 47897 backedges. 2 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 327 states and 340 transitions. [2021-11-22 23:33:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 340 transitions. [2021-11-22 23:33:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-22 23:33:30,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:30,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:31,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-22 23:33:31,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 48207 backedges. 2 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 328 states and 341 transitions. [2021-11-22 23:33:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 341 transitions. [2021-11-22 23:33:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-22 23:33:33,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:33,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:34,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-22 23:33:34,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 48518 backedges. 2 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 329 states and 342 transitions. [2021-11-22 23:33:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 342 transitions. [2021-11-22 23:33:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-22 23:33:37,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:37,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:37,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-22 23:33:37,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 48830 backedges. 2 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 330 states and 343 transitions. [2021-11-22 23:33:40,338 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 343 transitions. [2021-11-22 23:33:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-22 23:33:40,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:40,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:40,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-22 23:33:40,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 49143 backedges. 2 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 331 states and 344 transitions. [2021-11-22 23:33:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 344 transitions. [2021-11-22 23:33:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-22 23:33:43,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:43,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:43,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-22 23:33:43,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 49457 backedges. 2 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 332 states and 345 transitions. [2021-11-22 23:33:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 345 transitions. [2021-11-22 23:33:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-22 23:33:46,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:46,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:46,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-22 23:33:46,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 49772 backedges. 2 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 333 states and 346 transitions. [2021-11-22 23:33:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 346 transitions. [2021-11-22 23:33:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-22 23:33:49,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:49,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:50,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-22 23:33:50,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 50088 backedges. 2 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 334 states and 347 transitions. [2021-11-22 23:33:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 347 transitions. [2021-11-22 23:33:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 23:33:53,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:53,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:53,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-22 23:33:53,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 50405 backedges. 2 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:56,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 335 states and 348 transitions. [2021-11-22 23:33:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 348 transitions. [2021-11-22 23:33:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-22 23:33:56,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:56,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:56,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2003 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-22 23:33:56,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 50723 backedges. 2 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 336 states and 349 transitions. [2021-11-22 23:33:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 349 transitions. [2021-11-22 23:33:59,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-22 23:33:59,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:59,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:59,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-22 23:33:59,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 51042 backedges. 2 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:02,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 337 states and 350 transitions. [2021-11-22 23:34:02,873 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 350 transitions. [2021-11-22 23:34:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-22 23:34:02,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:02,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:03,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-22 23:34:03,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 51362 backedges. 2 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 338 states and 351 transitions. [2021-11-22 23:34:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 351 transitions. [2021-11-22 23:34:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-22 23:34:06,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:06,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:06,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-22 23:34:06,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 51683 backedges. 2 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 339 states and 352 transitions. [2021-11-22 23:34:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 352 transitions. [2021-11-22 23:34:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-22 23:34:09,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:09,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:09,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-22 23:34:09,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:11,677 INFO L134 CoverageAnalysis]: Checked inductivity of 52005 backedges. 2 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 340 states and 353 transitions. [2021-11-22 23:34:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 353 transitions. [2021-11-22 23:34:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-22 23:34:12,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:12,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:13,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-22 23:34:13,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 52328 backedges. 2 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 341 states and 354 transitions. [2021-11-22 23:34:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 354 transitions. [2021-11-22 23:34:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-22 23:34:16,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:16,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:16,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-22 23:34:16,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 52652 backedges. 2 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 342 states and 355 transitions. [2021-11-22 23:34:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 355 transitions. [2021-11-22 23:34:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-22 23:34:19,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:19,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:20,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-22 23:34:20,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 52977 backedges. 2 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 343 states and 356 transitions. [2021-11-22 23:34:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 356 transitions. [2021-11-22 23:34:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-22 23:34:23,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:23,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-22 23:34:23,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 53303 backedges. 2 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 344 states and 357 transitions. [2021-11-22 23:34:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 357 transitions. [2021-11-22 23:34:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-22 23:34:26,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:26,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:26,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-22 23:34:26,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 53630 backedges. 2 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 345 states and 358 transitions. [2021-11-22 23:34:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 358 transitions. [2021-11-22 23:34:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-22 23:34:29,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:29,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:30,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-22 23:34:30,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 53958 backedges. 2 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 346 states and 359 transitions. [2021-11-22 23:34:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 359 transitions. [2021-11-22 23:34:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-22 23:34:33,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:33,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:33,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-22 23:34:33,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 54287 backedges. 2 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 347 states and 360 transitions. [2021-11-22 23:34:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 360 transitions. [2021-11-22 23:34:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-22 23:34:36,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:36,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:37,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-22 23:34:37,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 54617 backedges. 2 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 348 states and 361 transitions. [2021-11-22 23:34:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 361 transitions. [2021-11-22 23:34:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-22 23:34:40,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:40,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:40,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 2081 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-22 23:34:40,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 54948 backedges. 2 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 349 states and 362 transitions. [2021-11-22 23:34:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 362 transitions. [2021-11-22 23:34:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-22 23:34:43,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:43,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:43,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-22 23:34:43,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 55280 backedges. 2 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 350 states and 363 transitions. [2021-11-22 23:34:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 363 transitions. [2021-11-22 23:34:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-22 23:34:46,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:46,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:47,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-22 23:34:47,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 55613 backedges. 2 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:50,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 351 states and 364 transitions. [2021-11-22 23:34:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 364 transitions. [2021-11-22 23:34:50,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-22 23:34:50,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:50,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:50,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 2099 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-22 23:34:50,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 55947 backedges. 2 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 352 states and 365 transitions. [2021-11-22 23:34:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 365 transitions. [2021-11-22 23:34:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-22 23:34:53,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:53,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:53,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-22 23:34:53,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 56282 backedges. 2 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 353 states and 366 transitions. [2021-11-22 23:34:56,923 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 366 transitions. [2021-11-22 23:34:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-22 23:34:56,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:56,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:57,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-22 23:34:57,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 56618 backedges. 2 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:00,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 354 states and 367 transitions. [2021-11-22 23:35:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 367 transitions. [2021-11-22 23:35:00,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-22 23:35:00,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:00,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-22 23:35:00,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 56955 backedges. 2 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 355 states and 368 transitions. [2021-11-22 23:35:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 368 transitions. [2021-11-22 23:35:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-22 23:35:03,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:03,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:04,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 2123 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-22 23:35:04,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 2 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 356 states and 369 transitions. [2021-11-22 23:35:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 369 transitions. [2021-11-22 23:35:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-22 23:35:07,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:07,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:07,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-22 23:35:07,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 57632 backedges. 2 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 357 states and 370 transitions. [2021-11-22 23:35:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 370 transitions. [2021-11-22 23:35:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-22 23:35:10,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:10,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:11,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2135 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-22 23:35:11,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 57972 backedges. 2 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 358 states and 371 transitions. [2021-11-22 23:35:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 371 transitions. [2021-11-22 23:35:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-22 23:35:14,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:14,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:14,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-22 23:35:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 58313 backedges. 2 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 359 states and 372 transitions. [2021-11-22 23:35:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 372 transitions. [2021-11-22 23:35:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-22 23:35:17,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:17,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:17,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-22 23:35:17,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 58655 backedges. 2 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 360 states and 373 transitions. [2021-11-22 23:35:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 373 transitions. [2021-11-22 23:35:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-22 23:35:20,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:21,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2153 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-22 23:35:21,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 58998 backedges. 2 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 361 states and 374 transitions. [2021-11-22 23:35:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 374 transitions. [2021-11-22 23:35:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 23:35:24,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:24,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:25,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-22 23:35:25,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 59342 backedges. 2 proven. 59340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 362 states and 375 transitions. [2021-11-22 23:35:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 375 transitions. [2021-11-22 23:35:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-22 23:35:28,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:28,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:28,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-22 23:35:28,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 59687 backedges. 2 proven. 59685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:31,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 363 states and 376 transitions. [2021-11-22 23:35:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 376 transitions. [2021-11-22 23:35:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-22 23:35:31,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:31,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:32,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-22 23:35:32,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 60033 backedges. 2 proven. 60031 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 364 states and 377 transitions. [2021-11-22 23:35:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 377 transitions. [2021-11-22 23:35:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-22 23:35:35,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:35,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:35,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-22 23:35:35,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 60380 backedges. 2 proven. 60378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 365 states and 378 transitions. [2021-11-22 23:35:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 378 transitions. [2021-11-22 23:35:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-22 23:35:38,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:38,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:39,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-22 23:35:39,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 60728 backedges. 2 proven. 60726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 366 states and 379 transitions. [2021-11-22 23:35:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 379 transitions. [2021-11-22 23:35:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-22 23:35:42,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:42,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:42,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 352 conjunts are in the unsatisfiable core [2021-11-22 23:35:42,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 61077 backedges. 2 proven. 61075 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 367 states and 380 transitions. [2021-11-22 23:35:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 380 transitions. [2021-11-22 23:35:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-22 23:35:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms