./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/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 3d5d738785469032c070cabc60204008ea544832 ................................................................................................................................................................................................................................................................................................................................................................................................ 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_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/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 3d5d738785469032c070cabc60204008ea544832 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:29,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:29,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:29,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:29,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:29,077 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:29,078 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:29,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:29,080 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:29,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:29,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:29,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:29,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:29,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:29,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:29,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:29,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:29,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:29,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:29,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:29,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:29,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:29,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:29,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:29,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:29,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:29,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:29,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:29,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:29,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:29,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:29,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:29,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:29,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:29,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:29,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:29,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 08:34:29,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:29,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:29,110 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:29,110 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:29,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:29,110 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:29,110 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:29,111 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:29,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:29,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:29,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:29,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:29,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:29,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:29,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:29,113 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:29,113 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:29,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:29,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:29,114 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_e037fc86-3972-4773-9beb-c068d6c66e48/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 -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-18 08:34:29,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,153 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,154 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-18 08:34:29,200 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/0277719f5/eb2554d88cda4000b2ced4da81cc4a57/FLAG0b86c2bff [2018-11-18 08:34:29,573 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,574 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-18 08:34:29,583 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/0277719f5/eb2554d88cda4000b2ced4da81cc4a57/FLAG0b86c2bff [2018-11-18 08:34:29,593 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/0277719f5/eb2554d88cda4000b2ced4da81cc4a57 [2018-11-18 08:34:29,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e04dcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,632 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,825 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,833 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,911 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,940 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/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 [2018-11-18 08:34:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 08:34:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 08:34:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 08:34:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 08:34:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 08:34:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 08:34:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 08:34:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 08:34:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 08:34:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 08:34:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 08:34:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 08:34:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 08:34:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 08:34:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 08:34:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 08:34:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 08:34:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 08:34:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 08:34:30,042 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 08:34:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 08:34:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:34:30,045 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 08:34:30,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,403 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,403 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,403 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,403 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,404 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,404 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,405 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,405 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,405 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,405 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,406 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,406 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:30,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BasicIcfg [2018-11-18 08:34:30,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:30,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:30,418 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:30,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419c936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419c936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,421 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i_BEv2 [2018-11-18 08:34:30,429 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:30,436 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 08:34:30,450 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 08:34:30,473 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,474 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,474 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:30,474 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:30,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,474 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:30,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,474 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:30,483 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 08:34:30,486 INFO L168 Benchmark]: Toolchain (without parser) took 890.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,487 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:30,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,488 INFO L168 Benchmark]: Boogie Preprocessor took 43.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,488 INFO L168 Benchmark]: RCFGBuilder took 429.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,489 INFO L168 Benchmark]: TraceAbstraction took 69.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 345.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -196.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.27 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 429.74 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69.99 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:31,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:31,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:31,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:31,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:31,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:32,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:32,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:32,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:32,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:32,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:32,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:32,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:32,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:32,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:32,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:32,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:32,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:32,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:32,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:32,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:32,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:32,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:32,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:32,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:32,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:32,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:32,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:32,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:32,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:32,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:32,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:32,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:32,021 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:32,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:32,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:32,023 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 08:34:32,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:32,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:32,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:32,034 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:32,035 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:32,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:32,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:32,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:32,037 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:32,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:32,037 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:32,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:32,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:32,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:32,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:32,039 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:32,040 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 08:34:32,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:32,040 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 08:34:32,040 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 08:34:32,040 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_e037fc86-3972-4773-9beb-c068d6c66e48/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 -> 3d5d738785469032c070cabc60204008ea544832 [2018-11-18 08:34:32,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:32,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:32,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:32,086 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:32,087 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:32,087 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-18 08:34:32,136 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/ce20e3600/6eb72200fecf4e27826caa356e794588/FLAGce0870487 [2018-11-18 08:34:32,505 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:32,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/sv-benchmarks/c/pthread-atomic/szymanski_true-unreach-call.i [2018-11-18 08:34:32,512 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/ce20e3600/6eb72200fecf4e27826caa356e794588/FLAGce0870487 [2018-11-18 08:34:32,894 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/bin-2019/uautomizer/data/ce20e3600/6eb72200fecf4e27826caa356e794588 [2018-11-18 08:34:32,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:32,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:32,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:32,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:32,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:32,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fad06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:32, skipping insertion in model container [2018-11-18 08:34:32,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:32" (1/1) ... [2018-11-18 08:34:32,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:32,936 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:33,161 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:33,170 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:33,204 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:33,240 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:33,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33 WrapperNode [2018-11-18 08:34:33,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:33,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:33,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:33,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:33,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... [2018-11-18 08:34:33,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:33,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:33,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:33,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:33,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e037fc86-3972-4773-9beb-c068d6c66e48/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 [2018-11-18 08:34:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-18 08:34:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-18 08:34:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-18 08:34:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-18 08:34:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-18 08:34:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-18 08:34:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-18 08:34:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-18 08:34:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-18 08:34:33,363 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-18 08:34:33,364 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-18 08:34:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-18 08:34:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-18 08:34:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-18 08:34:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-18 08:34:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-18 08:34:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-18 08:34:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-18 08:34:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-18 08:34:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-18 08:34:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-18 08:34:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 08:34:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 08:34:33,377 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-18 08:34:33,681 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:33,700 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,700 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,700 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,700 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,701 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,701 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,703 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,703 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,703 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,703 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,704 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,704 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 08:34:33,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:33 BasicIcfg [2018-11-18 08:34:33,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:33,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:33,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:33,739 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:33,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:32" (1/3) ... [2018-11-18 08:34:33,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38644f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:33, skipping insertion in model container [2018-11-18 08:34:33,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:33" (2/3) ... [2018-11-18 08:34:33,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38644f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:33, skipping insertion in model container [2018-11-18 08:34:33,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:33" (3/3) ... [2018-11-18 08:34:33,742 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski_true-unreach-call.i_BEv2 [2018-11-18 08:34:33,748 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:33,755 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 08:34:33,766 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 08:34:33,786 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:33,787 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:33,787 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:33,787 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:33,787 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:33,787 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:33,787 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:33,787 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:33,787 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:33,796 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: analysis for sequential programs does not support fork/join at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomatonWithSPredicates(CFG2NestedWordAutomaton.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 08:34:33,798 INFO L168 Benchmark]: Toolchain (without parser) took 901.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:33,800 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:33,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.74 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:33,801 INFO L168 Benchmark]: Boogie Preprocessor took 80.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:33,801 INFO L168 Benchmark]: RCFGBuilder took 415.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:33,802 INFO L168 Benchmark]: TraceAbstraction took 60.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:33,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 342.74 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 415.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 60.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: analysis for sequential programs does not support fork/join de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: analysis for sequential programs does not support fork/join: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructAutomaton(CFG2NestedWordAutomaton.java:234) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...