./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/17_szymanski_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_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/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 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/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 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:12:11,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:11,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:11,027 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:11,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:11,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:11,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:11,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:11,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:11,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:11,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:11,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:11,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:11,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:11,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:11,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:11,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:11,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:11,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:11,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:11,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:11,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:11,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:11,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:11,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:11,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:11,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:11,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:11,055 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:11,056 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:11,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:11,057 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:11,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:11,058 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:11,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:11,059 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:11,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 05:12:11,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:11,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:11,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:11,075 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:12:11,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:12:11,076 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:12:11,076 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:12:11,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:11,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:11,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:11,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:11,079 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:11,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:11,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:11,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:11,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:11,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:11,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:11,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:11,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:11,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:11,082 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 05:12:11,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:11,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:11,083 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_6ac506db-d527-4385-af2f-1f89a839cefc/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 -> 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c [2018-10-27 05:12:11,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:11,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:11,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:11,133 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:11,134 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:11,134 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:11,189 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/ec632d329/f70a4543d1d84b6a9902343e522547b5/FLAG77a7cb4fe [2018-10-27 05:12:11,635 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:11,636 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:11,649 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/ec632d329/f70a4543d1d84b6a9902343e522547b5/FLAG77a7cb4fe [2018-10-27 05:12:11,664 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/ec632d329/f70a4543d1d84b6a9902343e522547b5 [2018-10-27 05:12:11,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:11,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:12:11,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:11,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:11,674 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:11,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:11" (1/1) ... [2018-10-27 05:12:11,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e653c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:11, skipping insertion in model container [2018-10-27 05:12:11,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:11" (1/1) ... [2018-10-27 05:12:11,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:11,728 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:12,018 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:12,024 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:12,091 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:12,156 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:12,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12 WrapperNode [2018-10-27 05:12:12,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:12,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:12,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:12,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:12,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... [2018-10-27 05:12:12,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:12,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:12,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:12,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:12,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/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 05:12:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:12:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:12:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:12:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:12:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:12:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:12:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:12:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:12:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:12:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:12:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:12:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:12:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:12:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:12:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:12:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:12:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:12:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:12:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:12:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:12:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:12:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:12:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:12:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:12:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:12:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:12:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:12:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:12:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:12:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:12:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:12:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:12:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:12:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:12:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:12:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:12:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:12:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:12:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:12:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:12:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:12:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:12:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:12:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:12,407 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 05:12:13,339 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:13,380 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:13,381 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:13,381 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:13,381 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:13,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:13 BasicIcfg [2018-10-27 05:12:13,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:13,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:13,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:13,406 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:13,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:12:11" (1/3) ... [2018-10-27 05:12:13,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bed1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:13, skipping insertion in model container [2018-10-27 05:12:13,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:12" (2/3) ... [2018-10-27 05:12:13,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bed1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:13, skipping insertion in model container [2018-10-27 05:12:13,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:13" (3/3) ... [2018-10-27 05:12:13,412 INFO L112 eAbstractionObserver]: Analyzing ICFG 17_szymanski_true-unreach-call.i_BEv2 [2018-10-27 05:12:13,421 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:13,433 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:13,452 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:13,490 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:12:13,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:13,492 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:13,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:13,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:13,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:13,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:13,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:13,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-10-27 05:12:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:12:13,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:13,531 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:12:13,536 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION]=== [2018-10-27 05:12:13,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:13,543 INFO L82 PathProgramCache]: Analyzing trace with hash 682461021, now seen corresponding path program 1 times [2018-10-27 05:12:13,545 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:12:13,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:12:13,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:13,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:13,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:12:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:13,716 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:13,722 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [327] [327] L675-->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 05:12:13,731 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:13,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:13,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:13,732 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:13,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:13,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:13,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:13,733 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:13,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:13,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:13,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:13,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:13,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:13,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:13,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:13,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:13,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:13,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:13,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:13,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:13,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:13,736 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:13,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:13,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:13,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:13,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:13,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:13,746 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:13,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:13 BasicIcfg [2018-10-27 05:12:13,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:13,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:13,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:13,750 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:13,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:13" (3/4) ... [2018-10-27 05:12:13,753 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:13,754 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 05:12:13,757 INFO L168 Benchmark]: Toolchain (without parser) took 2089.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:13,759 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:13,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.29 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 929.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:13,760 INFO L168 Benchmark]: Boogie Preprocessor took 147.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -237.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:13,763 INFO L168 Benchmark]: RCFGBuilder took 1096.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:13,764 INFO L168 Benchmark]: TraceAbstraction took 346.51 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:13,764 INFO L168 Benchmark]: Witness Printer took 6.33 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 05:12:13,768 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.29 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 929.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 929.6 MB in the beginning and 1.2 GB in the end (delta: -237.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1096.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 346.51 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: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.33 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[freshIdentifier1,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[freshIdentifier6,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[freshIdentifier4,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[freshIdentifier9,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[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[freshIdentifier14,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[freshIdentifier13,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[freshIdentifier17,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[freshIdentifier20,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[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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 674]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=12, \old(flag2)=9, \old(x)=10, flag1=0, flag2=0, freshIdentifier13=7, freshIdentifier14=8, freshIdentifier15=1, x=10] [L636] int x; VAL [\old(flag1)=12, \old(flag2)=9, \old(x)=10, flag1=0, flag2=0, freshIdentifier16=7, freshIdentifier17=8, freshIdentifier18=1, x=0] [L675] FCALL pthread_t t; VAL [\old(flag1)=0, \old(flag2)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier25=7, freshIdentifier26=8, freshIdentifier27=1, t={6:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 94 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=70occurred 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, 11 NumberOfCodeBlocks, 11 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 05:12:15,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:15,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:15,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:15,881 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:15,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:15,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:15,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:15,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:15,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:15,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:15,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:15,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:15,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:15,895 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:15,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:15,896 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:15,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:15,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:15,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:15,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:15,909 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:15,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:15,911 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:15,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:15,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:15,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:15,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:15,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:15,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:15,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:15,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:15,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:15,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:15,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:15,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:15,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 05:12:15,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:15,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:15,943 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:15,943 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:12:15,944 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:12:15,944 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:12:15,944 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:12:15,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:15,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:15,948 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:15,948 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:15,948 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:15,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:15,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:15,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:15,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:15,949 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:15,950 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 05:12:15,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:15,950 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:15,950 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:15,950 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_6ac506db-d527-4385-af2f-1f89a839cefc/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 -> 58bdd2dd6f7f4bfbe6fbaedc8a62c157487fbf5c [2018-10-27 05:12:15,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:16,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:16,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:16,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:16,014 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:16,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:16,070 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/dcb576286/20f83a444d574cc1943ccf3ad135974f/FLAG79ef76728 [2018-10-27 05:12:16,499 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:16,499 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/sv-benchmarks/c/pthread-ext/17_szymanski_true-unreach-call.i [2018-10-27 05:12:16,511 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/dcb576286/20f83a444d574cc1943ccf3ad135974f/FLAG79ef76728 [2018-10-27 05:12:16,525 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/bin-2019/uautomizer/data/dcb576286/20f83a444d574cc1943ccf3ad135974f [2018-10-27 05:12:16,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:16,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:12:16,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:16,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:16,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:16,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:16" (1/1) ... [2018-10-27 05:12:16,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b8b99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:16, skipping insertion in model container [2018-10-27 05:12:16,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:16" (1/1) ... [2018-10-27 05:12:16,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:16,587 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:16,903 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:16,912 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:16,988 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:17,068 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:17,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17 WrapperNode [2018-10-27 05:12:17,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:17,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:17,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:17,070 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:17,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... [2018-10-27 05:12:17,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:17,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:17,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:17,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:17,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/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 05:12:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:12:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:12:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:12:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:12:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:12:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:12:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:12:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:12:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:12:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:12:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:12:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:12:17,300 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:12:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:12:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:12:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:12:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:12:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:12:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:17,331 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 05:12:18,045 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:18,069 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:18,069 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:18,070 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:18,070 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:18,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:18 BasicIcfg [2018-10-27 05:12:18,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:12:18,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:12:18,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:12:18,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:12:18,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:12:16" (1/3) ... [2018-10-27 05:12:18,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366ff811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:18, skipping insertion in model container [2018-10-27 05:12:18,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:17" (2/3) ... [2018-10-27 05:12:18,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366ff811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:12:18, skipping insertion in model container [2018-10-27 05:12:18,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:18" (3/3) ... [2018-10-27 05:12:18,092 INFO L112 eAbstractionObserver]: Analyzing ICFG 17_szymanski_true-unreach-call.i_BEv2 [2018-10-27 05:12:18,102 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:12:18,111 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:12:18,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:12:18,157 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:12:18,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:12:18,158 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:12:18,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:12:18,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:12:18,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:12:18,158 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:12:18,158 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:12:18,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:12:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-10-27 05:12:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:12:18,183 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:12:18,189 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:12:18,192 INFO L424 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, mainErr0INUSE_VIOLATION]=== [2018-10-27 05:12:18,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:12:18,198 INFO L82 PathProgramCache]: Analyzing trace with hash 682461021, now seen corresponding path program 1 times [2018-10-27 05:12:18,203 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 05:12:18,203 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ac506db-d527-4385-af2f-1f89a839cefc/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 05:12:18,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:12:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:12:18,385 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:12:18,397 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 05:12:18,408 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [327] [327] L675-->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 05:12:18,423 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier2,QUANTIFIED] [2018-10-27 05:12:18,424 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier1,QUANTIFIED] [2018-10-27 05:12:18,424 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier3,QUANTIFIED] [2018-10-27 05:12:18,425 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier5,QUANTIFIED] [2018-10-27 05:12:18,425 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier6,QUANTIFIED] [2018-10-27 05:12:18,425 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier4,QUANTIFIED] [2018-10-27 05:12:18,426 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier9,QUANTIFIED] [2018-10-27 05:12:18,426 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier8,QUANTIFIED] [2018-10-27 05:12:18,428 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier7,QUANTIFIED] [2018-10-27 05:12:18,428 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier11,QUANTIFIED] [2018-10-27 05:12:18,428 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier10,QUANTIFIED] [2018-10-27 05:12:18,429 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier12,QUANTIFIED] [2018-10-27 05:12:18,429 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier14,QUANTIFIED] [2018-10-27 05:12:18,429 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier13,QUANTIFIED] [2018-10-27 05:12:18,430 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier15,QUANTIFIED] [2018-10-27 05:12:18,430 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier17,QUANTIFIED] [2018-10-27 05:12:18,430 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier16,QUANTIFIED] [2018-10-27 05:12:18,431 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier18,QUANTIFIED] [2018-10-27 05:12:18,431 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier20,QUANTIFIED] [2018-10-27 05:12:18,431 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier21,QUANTIFIED] [2018-10-27 05:12:18,432 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier19,QUANTIFIED] [2018-10-27 05:12:18,434 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier22,QUANTIFIED] [2018-10-27 05:12:18,435 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier24,QUANTIFIED] [2018-10-27 05:12:18,435 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier23,QUANTIFIED] [2018-10-27 05:12:18,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier26,QUANTIFIED] [2018-10-27 05:12:18,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier27,QUANTIFIED] [2018-10-27 05:12:18,436 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[freshIdentifier25,QUANTIFIED] [2018-10-27 05:12:18,446 INFO L285 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-10-27 05:12:18,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:12:18 BasicIcfg [2018-10-27 05:12:18,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:12:18,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:12:18,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:12:18,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:12:18,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:12:18" (3/4) ... [2018-10-27 05:12:18,454 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:12:18,455 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 05:12:18,458 INFO L168 Benchmark]: Toolchain (without parser) took 1930.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:18,460 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:18,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.19 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 918.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:18,463 INFO L168 Benchmark]: Boogie Preprocessor took 85.00 ms. Allocated memory is still 1.0 GB. Free memory was 918.3 MB in the beginning and 911.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:18,464 INFO L168 Benchmark]: RCFGBuilder took 928.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 911.6 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:18,464 INFO L168 Benchmark]: TraceAbstraction took 366.71 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:18,469 INFO L168 Benchmark]: Witness Printer took 6.57 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 05:12:18,472 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 540.19 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 918.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.00 ms. Allocated memory is still 1.0 GB. Free memory was 918.3 MB in the beginning and 911.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 928.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 911.6 MB in the beginning and 1.1 GB in the end (delta: -196.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 366.71 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.57 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[freshIdentifier1,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[freshIdentifier5,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[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[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[freshIdentifier15,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[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[freshIdentifier22,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[freshIdentifier23,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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 674]: assertion can be violated assertion can be violated We found a FailurePath: [L635] int flag1 = 0, flag2 = 0; VAL [\old(flag1)=9, \old(flag2)=11, \old(x)=10, flag1=0, flag2=0, freshIdentifier13=5, freshIdentifier14=8, freshIdentifier15=1, x=10] [L636] int x; VAL [\old(flag1)=9, \old(flag2)=11, \old(x)=10, flag1=0, flag2=0, freshIdentifier16=5, freshIdentifier17=8, freshIdentifier18=1, x=0] [L675] FCALL pthread_t t; VAL [\old(flag1)=0, \old(flag2)=0, \old(x)=0, flag1=0, flag2=0, freshIdentifier25=5, freshIdentifier26=8, freshIdentifier27=1, t={12:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 94 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=70occurred 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, 11 NumberOfCodeBlocks, 11 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...