./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6a89f9f46b1412575f1266b3402a81524b5e7b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6a89f9f46b1412575f1266b3402a81524b5e7b5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:11:15,876 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:11:15,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:11:15,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:11:15,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:11:15,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:11:15,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:11:15,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:11:15,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:11:15,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:11:15,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:11:15,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:11:15,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:11:15,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:11:15,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:11:15,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:11:15,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:11:15,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:11:15,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:11:15,904 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:11:15,905 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:11:15,906 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:11:15,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:11:15,913 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:11:15,913 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:11:15,914 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:11:15,915 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:11:15,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:11:15,916 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:11:15,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:11:15,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:11:15,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:11:15,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:11:15,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:11:15,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:11:15,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:11:15,923 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 05:11:15,934 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:11:15,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:11:15,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:11:15,935 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:11:15,935 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:11:15,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:11:15,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:11:15,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:11:15,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:11:15,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:11:15,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:11:15,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:11:15,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:11:15,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:11:15,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:11:15,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:11:15,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:11:15,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:15,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:11:15,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:11:15,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:11:15,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 05:11:15,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:11:15,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:11:15,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> a6a89f9f46b1412575f1266b3402a81524b5e7b5 [2018-10-27 05:11:15,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:11:15,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:11:15,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:11:15,988 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:11:15,988 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:11:15,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:16,033 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/23773bb7c/e4799a9483ac42179285463f711e2da3/FLAG1ff59935f [2018-10-27 05:11:16,490 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:16,491 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:16,505 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/23773bb7c/e4799a9483ac42179285463f711e2da3/FLAG1ff59935f [2018-10-27 05:11:16,522 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/23773bb7c/e4799a9483ac42179285463f711e2da3 [2018-10-27 05:11:16,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:16,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:11:16,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:16,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:16,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:16,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:16" (1/1) ... [2018-10-27 05:11:16,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a697301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:16, skipping insertion in model container [2018-10-27 05:11:16,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:16" (1/1) ... [2018-10-27 05:11:16,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:16,583 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:16,900 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:16,905 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:16,962 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:17,022 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:11:17,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17 WrapperNode [2018-10-27 05:11:17,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:17,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:11:17,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:11:17,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:11:17,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... [2018-10-27 05:11:17,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:11:17,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:11:17,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:11:17,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:11:17,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:11:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:11:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:11:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:11:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:11:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:11:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:11:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:11:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:11:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:11:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:11:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:11:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:11:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:11:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:11:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:11:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:11:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:11:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:11:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:11:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:11:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:11:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:11:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:11:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:11:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:11:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:11:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:11:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:11:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:11:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:11:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:11:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:11:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:11:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:11:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:11:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:11:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:11:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:11:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:11:17,240 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:11:17,729 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:11:17,750 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:17,751 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:17,751 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:17,751 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:17,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:17 BasicIcfg [2018-10-27 05:11:17,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:11:17,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:11:17,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:11:17,771 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:11:17,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:11:16" (1/3) ... [2018-10-27 05:11:17,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555491a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:17, skipping insertion in model container [2018-10-27 05:11:17,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:17" (2/3) ... [2018-10-27 05:11:17,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555491a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:17, skipping insertion in model container [2018-10-27 05:11:17,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:17" (3/3) ... [2018-10-27 05:11:17,774 INFO L112 eAbstractionObserver]: Analyzing ICFG 16_peterson_true-unreach-call.i_BEv2 [2018-10-27 05:11:17,783 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:11:17,793 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:11:17,808 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:11:17,835 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:11:17,836 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:11:17,836 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:11:17,836 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:11:17,837 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:11:17,837 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:11:17,837 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:11:17,837 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:11:17,837 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:11:17,853 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-10-27 05:11:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:11:17,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:11:17,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:11:17,862 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION]=== [2018-10-27 05:11:17,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:11:17,867 INFO L82 PathProgramCache]: Analyzing trace with hash 763500430, now seen corresponding path program 1 times [2018-10-27 05:11:17,869 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:11:17,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:11:17,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:11:17,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:11:17,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:11:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:18,011 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:11:18,016 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [151] [151] L658-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:11:18,025 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:11:18,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:11:18,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:11:18,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:11:18,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:11:18,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:11:18,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:11:18,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:11:18,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:11:18,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:11:18,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:11:18,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:11:18,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:11:18,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:11:18,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:11:18,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:11:18,029 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:11:18,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:11:18,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:11:18,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:11:18,030 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:11:18,031 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:11:18,032 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:11:18,032 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:11:18,032 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:11:18,041 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:11:18,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:11:18 BasicIcfg [2018-10-27 05:11:18,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:11:18,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:11:18,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:11:18,048 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:11:18,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:17" (3/4) ... [2018-10-27 05:11:18,050 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:11:18,051 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:11:18,055 INFO L168 Benchmark]: Toolchain (without parser) took 1527.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:18,056 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:18,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 927.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:18,057 INFO L168 Benchmark]: Boogie Preprocessor took 123.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:18,064 INFO L168 Benchmark]: RCFGBuilder took 620.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:18,064 INFO L168 Benchmark]: TraceAbstraction took 278.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:18,065 INFO L168 Benchmark]: Witness Printer took 6.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:18,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.59 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 927.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -219.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 620.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 657]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int turn; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=13, flag2=9, freshIdentifier10=7, freshIdentifier11=8, freshIdentifier12=1, turn=0, x=10] [L636] int x; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=13, flag2=9, freshIdentifier13=7, freshIdentifier14=8, freshIdentifier15=1, turn=0, x=0] [L637] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=13, \old(flag2)=9, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier19=7, freshIdentifier20=8, freshIdentifier21=1, turn=0, x=0] [L658] FCALL pthread_t t; VAL [\old(flag1)=0, \old(flag2)=0, \old(turn)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier28=7, freshIdentifier29=8, freshIdentifier30=1, t={6:0}, turn=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:11:19,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:11:19,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:11:19,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:11:19,974 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:11:19,975 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:11:19,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:11:19,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:11:19,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:11:19,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:11:19,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:11:19,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:11:19,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:11:19,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:11:19,983 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:11:19,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:11:19,984 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:11:19,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:11:19,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:11:19,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:11:19,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:11:19,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:11:19,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:11:19,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:11:19,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:11:19,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:11:19,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:11:19,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:11:19,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:11:19,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:11:19,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:11:19,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:11:19,997 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:11:19,997 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:11:19,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:11:19,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:11:19,999 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 05:11:20,010 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:11:20,010 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:11:20,011 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:11:20,011 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:11:20,011 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:11:20,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:11:20,012 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:11:20,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:11:20,012 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:11:20,012 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:11:20,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:11:20,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:11:20,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:11:20,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:11:20,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:11:20,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:11:20,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:11:20,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:20,014 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:11:20,015 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> a6a89f9f46b1412575f1266b3402a81524b5e7b5 [2018-10-27 05:11:20,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:11:20,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:11:20,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:11:20,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:11:20,062 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:11:20,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:20,111 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/ed06af9fb/44b7c4c730504c1ca4e4ecb247528baf/FLAG56de8d928 [2018-10-27 05:11:20,562 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:20,564 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/sv-benchmarks/c/pthread-ext/16_peterson_true-unreach-call.i [2018-10-27 05:11:20,585 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/ed06af9fb/44b7c4c730504c1ca4e4ecb247528baf/FLAG56de8d928 [2018-10-27 05:11:20,603 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/data/ed06af9fb/44b7c4c730504c1ca4e4ecb247528baf [2018-10-27 05:11:20,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:20,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:11:20,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:20,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:20,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:20,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:20" (1/1) ... [2018-10-27 05:11:20,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c416fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:20, skipping insertion in model container [2018-10-27 05:11:20,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:20" (1/1) ... [2018-10-27 05:11:20,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:20,683 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:21,012 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:21,019 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:21,090 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:21,161 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:11:21,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21 WrapperNode [2018-10-27 05:11:21,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:21,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:11:21,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:11:21,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:11:21,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... [2018-10-27 05:11:21,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:11:21,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:11:21,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:11:21,236 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:11:21,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:11:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:11:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:11:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:11:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:11:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:11:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:11:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:11:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:11:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:11:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:11:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:11:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:11:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:11:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:11:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:11:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:11:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:11:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:11:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:11:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:11:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:11:21,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:11:21,387 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:11:22,097 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:11:22,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:22,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:22,121 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:22,122 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:22,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:22 BasicIcfg [2018-10-27 05:11:22,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:11:22,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:11:22,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:11:22,142 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:11:22,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:11:20" (1/3) ... [2018-10-27 05:11:22,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341de510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:22, skipping insertion in model container [2018-10-27 05:11:22,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:21" (2/3) ... [2018-10-27 05:11:22,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341de510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:11:22, skipping insertion in model container [2018-10-27 05:11:22,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:22" (3/3) ... [2018-10-27 05:11:22,145 INFO L112 eAbstractionObserver]: Analyzing ICFG 16_peterson_true-unreach-call.i_BEv2 [2018-10-27 05:11:22,152 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:11:22,160 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:11:22,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:11:22,209 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:11:22,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:11:22,210 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:11:22,211 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:11:22,211 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:11:22,211 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:11:22,211 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:11:22,211 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:11:22,211 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:11:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-10-27 05:11:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:11:22,234 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:11:22,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:11:22,237 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION]=== [2018-10-27 05:11:22,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:11:22,243 INFO L82 PathProgramCache]: Analyzing trace with hash 763500430, now seen corresponding path program 1 times [2018-10-27 05:11:22,247 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 05:11:22,248 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d119fa3b-1c78-4827-8e99-1195b9f98af9/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 05:11:22,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:11:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:11:22,387 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:11:22,393 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [151] [151] L658-->mainErr0INUSE_VIOLATION: Formula: Thread0_thr1_inUse InVars {Thread0_thr1_inUse=Thread0_thr1_inUse} OutVars{Thread0_thr1_inUse=Thread0_thr1_inUse} AuxVars[] AssignedVars[] because there is no mapped edge [2018-10-27 05:11:22,402 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:11:22,403 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:11:22,403 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:11:22,403 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:11:22,404 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:11:22,404 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:11:22,404 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:11:22,404 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:11:22,404 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:11:22,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:11:22,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:11:22,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:11:22,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:11:22,405 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:11:22,406 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:11:22,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:11:22,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:11:22,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:11:22,407 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:11:22,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:11:22,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:11:22,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:11:22,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] [2018-10-27 05:11:22,408 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] [2018-10-27 05:11:22,409 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] [2018-10-27 05:11:22,417 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:11:22,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:11:22 BasicIcfg [2018-10-27 05:11:22,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:11:22,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:11:22,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:11:22,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:11:22,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:11:22" (3/4) ... [2018-10-27 05:11:22,424 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:11:22,425 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:139) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:11:22,427 INFO L168 Benchmark]: Toolchain (without parser) took 1819.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:22,428 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:22,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.49 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 915.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:22,429 INFO L168 Benchmark]: Boogie Preprocessor took 72.39 ms. Allocated memory is still 1.0 GB. Free memory is still 915.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:22,430 INFO L168 Benchmark]: RCFGBuilder took 902.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 915.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:22,430 INFO L168 Benchmark]: TraceAbstraction took 281.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:22,431 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:22,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.49 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 915.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.39 ms. Allocated memory is still 1.0 GB. Free memory is still 915.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 902.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 915.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 281.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier29,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier28,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 657]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int turn; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=9, flag2=11, freshIdentifier10=5, freshIdentifier11=8, freshIdentifier12=1, turn=0, x=10] [L636] int x; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=9, flag2=11, freshIdentifier13=5, freshIdentifier14=8, freshIdentifier15=1, turn=0, x=0] [L637] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=9, \old(flag2)=11, \old(turn)=12, \old(x)=10, flag1=0, flag2=0, freshIdentifier19=5, freshIdentifier20=8, freshIdentifier21=1, turn=0, x=0] [L658] FCALL pthread_t t; VAL [\old(flag1)=0, \old(flag2)=0, \old(turn)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier28=5, freshIdentifier29=8, freshIdentifier30=1, t={13:0}, turn=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateReachabilityCounterexampleWitness(WitnessPrinter.java:177) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...