./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/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 d09ea01cef1d93b0c86c8a3dadfd601718ca81915e873154848504beefeee43f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:48,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:48,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:48,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:48,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:48,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:48,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:48,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:48,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:48,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:48,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:48,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:48,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:48,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:48,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:48,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:48,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:48,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:48,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:48,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:48,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:48,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:48,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:48,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:48,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:48,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:48,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:48,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:48,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:48,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:48,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:48,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:48,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:48,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:48,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:48,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:48,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:48,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:48,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:48,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:48,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:48,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:48,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:48,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:48,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:48,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:48,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:48,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:48,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:48,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:48,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:48,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:48,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:48,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:48,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:48,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:48,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:48,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:48,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:48,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:48,809 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:48,809 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:48,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:48,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:48,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:48,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:48,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:48,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:48,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:48,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:48,812 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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d09ea01cef1d93b0c86c8a3dadfd601718ca81915e873154848504beefeee43f [2021-11-23 00:59:49,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:49,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:49,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:49,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:49,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:49,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 00:59:49,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/data/ccb70901b/5b2963e092f645798f4529a0c0e0a883/FLAG7a5c46a82 [2021-11-23 00:59:50,116 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:50,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 00:59:50,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/data/ccb70901b/5b2963e092f645798f4529a0c0e0a883/FLAG7a5c46a82 [2021-11-23 00:59:50,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/data/ccb70901b/5b2963e092f645798f4529a0c0e0a883 [2021-11-23 00:59:50,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:50,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:50,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:50,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:50,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:50,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:50" (1/1) ... [2021-11-23 00:59:50,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3f9ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:50, skipping insertion in model container [2021-11-23 00:59:50,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:50" (1/1) ... [2021-11-23 00:59:50,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:50,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:51,002 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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[11680,11693] [2021-11-23 00:59:51,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:51,226 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:51,399 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_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[11680,11693] [2021-11-23 00:59:51,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:51,535 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:51,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51 WrapperNode [2021-11-23 00:59:51,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:51,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:51,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:51,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:51,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,663 INFO L137 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 949 [2021-11-23 00:59:51,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:51,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:51,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:51,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:51,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:51,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:51,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:51,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:51,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:51" (1/1) ... [2021-11-23 00:59:51,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:51,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:51,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:51,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586fa22a-02ce-4dee-8c8f-0dcbb4d5c5b3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:52,053 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:52,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:53,343 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:53,589 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:53,589 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:59:53,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:53 BoogieIcfgContainer [2021-11-23 00:59:53,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:53,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:53,594 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:53,608 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:53,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:53" (1/1) ... [2021-11-23 00:59:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 166 states and 292 transitions. [2021-11-23 00:59:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2021-11-23 00:59:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:59:53,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 178 states and 314 transitions. [2021-11-23 00:59:54,657 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 314 transitions. [2021-11-23 00:59:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:54,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 175 states and 308 transitions. [2021-11-23 00:59:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2021-11-23 00:59:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:55,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 172 states and 302 transitions. [2021-11-23 00:59:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 302 transitions. [2021-11-23 00:59:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:55,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 296 transitions. [2021-11-23 00:59:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2021-11-23 00:59:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:55,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 166 states and 290 transitions. [2021-11-23 00:59:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 290 transitions. [2021-11-23 00:59:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:55,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 172 states and 301 transitions. [2021-11-23 00:59:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 301 transitions. [2021-11-23 00:59:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:59:56,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 169 states and 295 transitions. [2021-11-23 00:59:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 295 transitions. [2021-11-23 00:59:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:59:56,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 289 transitions. [2021-11-23 00:59:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 289 transitions. [2021-11-23 00:59:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:59:57,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 176 states and 306 transitions. [2021-11-23 00:59:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 306 transitions. [2021-11-23 00:59:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:59:57,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 300 transitions. [2021-11-23 00:59:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2021-11-23 00:59:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:59:58,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 166 states and 288 transitions. [2021-11-23 00:59:58,140 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 288 transitions. [2021-11-23 00:59:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:59:58,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 169 states and 293 transitions. [2021-11-23 00:59:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 293 transitions. [2021-11-23 00:59:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:59:59,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 166 states and 287 transitions. [2021-11-23 01:00:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 287 transitions. [2021-11-23 01:00:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 01:00:00,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 166 states and 286 transitions. [2021-11-23 01:00:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 286 transitions. [2021-11-23 01:00:03,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 01:00:03,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 169 states and 291 transitions. [2021-11-23 01:00:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 291 transitions. [2021-11-23 01:00:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:06,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 169 states and 290 transitions. [2021-11-23 01:00:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 290 transitions. [2021-11-23 01:00:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:10,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 166 states and 284 transitions. [2021-11-23 01:00:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 284 transitions. [2021-11-23 01:00:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:00:10,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 166 states and 283 transitions. [2021-11-23 01:00:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 283 transitions. [2021-11-23 01:00:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:00:14,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:14,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 170 states and 291 transitions. [2021-11-23 01:03:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 291 transitions. [2021-11-23 01:03:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:03:11,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 176 states and 302 transitions. [2021-11-23 01:10:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 302 transitions. [2021-11-23 01:10:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:10:06,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:06,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.