/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 06:30:55,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 06:30:55,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 06:30:55,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 06:30:55,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 06:30:55,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 06:30:55,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 06:30:55,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 06:30:55,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 06:30:55,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 06:30:55,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 06:30:55,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 06:30:55,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 06:30:55,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 06:30:55,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 06:30:55,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 06:30:55,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 06:30:55,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 06:30:55,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 06:30:55,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 06:30:55,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 06:30:55,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 06:30:55,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 06:30:55,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 06:30:55,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 06:30:55,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 06:30:55,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 06:30:55,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 06:30:55,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 06:30:55,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 06:30:55,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 06:30:55,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 06:30:55,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 06:30:55,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 06:30:55,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 06:30:55,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 06:30:55,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 06:30:55,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 06:30:55,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 06:30:55,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 06:30:55,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 06:30:55,945 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 06:30:55,971 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 06:30:55,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 06:30:55,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 06:30:55,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 06:30:55,974 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 06:30:55,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 06:30:55,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 06:30:55,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 06:30:55,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 06:30:55,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 06:30:55,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 06:30:55,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 06:30:55,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 06:30:55,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 06:30:55,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 06:30:55,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 06:30:55,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 06:30:55,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 06:30:55,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 06:30:55,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 06:30:55,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 06:30:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 06:30:55,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 06:30:55,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 06:30:55,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 06:30:55,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 06:30:55,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 06:30:55,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 06:30:55,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 06:30:55,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-08-28 06:30:56,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 06:30:56,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 06:30:56,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 06:30:56,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 06:30:56,452 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 06:30:56,453 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2020-08-28 06:30:56,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/814af67b9/f5f0e3c3f3344b52928d28c8b33bae9e/FLAGb90aa671a [2020-08-28 06:30:57,185 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 06:30:57,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-atomic/peterson.i [2020-08-28 06:30:57,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/814af67b9/f5f0e3c3f3344b52928d28c8b33bae9e/FLAGb90aa671a [2020-08-28 06:30:57,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/814af67b9/f5f0e3c3f3344b52928d28c8b33bae9e [2020-08-28 06:30:57,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 06:30:57,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 06:30:57,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 06:30:57,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 06:30:57,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 06:30:57,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 06:30:57" (1/1) ... [2020-08-28 06:30:57,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dd4a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:57, skipping insertion in model container [2020-08-28 06:30:57,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 06:30:57" (1/1) ... [2020-08-28 06:30:57,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 06:30:57,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 06:30:57,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 06:30:58,001 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 06:30:58,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 06:30:58,128 INFO L208 MainTranslator]: Completed translation [2020-08-28 06:30:58,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58 WrapperNode [2020-08-28 06:30:58,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 06:30:58,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 06:30:58,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 06:30:58,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 06:30:58,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... [2020-08-28 06:30:58,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 06:30:58,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 06:30:58,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 06:30:58,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 06:30:58,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-08-28 06:30:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 06:30:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 06:30:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-28 06:30:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-28 06:30:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-08-28 06:30:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-08-28 06:30:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-08-28 06:30:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-08-28 06:30:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-08-28 06:30:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 06:30:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 06:30:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-28 06:30:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-28 06:30:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-08-28 06:30:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-08-28 06:30:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-08-28 06:30:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-08-28 06:30:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-08-28 06:30:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-08-28 06:30:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-08-28 06:30:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-08-28 06:30:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-08-28 06:30:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-08-28 06:30:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-08-28 06:30:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-08-28 06:30:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-08-28 06:30:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-08-28 06:30:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-08-28 06:30:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-08-28 06:30:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-08-28 06:30:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-08-28 06:30:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-08-28 06:30:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-08-28 06:30:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-08-28 06:30:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-08-28 06:30:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-08-28 06:30:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-08-28 06:30:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-08-28 06:30:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-08-28 06:30:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-08-28 06:30:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-08-28 06:30:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-08-28 06:30:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-08-28 06:30:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-08-28 06:30:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-08-28 06:30:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-08-28 06:30:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-08-28 06:30:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-08-28 06:30:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-08-28 06:30:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-08-28 06:30:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-08-28 06:30:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-08-28 06:30:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-08-28 06:30:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-08-28 06:30:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-08-28 06:30:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-08-28 06:30:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-08-28 06:30:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-08-28 06:30:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-08-28 06:30:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-08-28 06:30:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-08-28 06:30:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-08-28 06:30:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 06:30:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 06:30:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 06:30:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 06:30:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 06:30:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 06:30:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 06:30:58,313 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-08-28 06:30:58,832 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 06:30:58,832 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-28 06:30:58,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 06:30:58 BoogieIcfgContainer [2020-08-28 06:30:58,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 06:30:58,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 06:30:58,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 06:30:58,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 06:30:58,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 06:30:57" (1/3) ... [2020-08-28 06:30:58,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e93234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 06:30:58, skipping insertion in model container [2020-08-28 06:30:58,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 06:30:58" (2/3) ... [2020-08-28 06:30:58,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e93234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 06:30:58, skipping insertion in model container [2020-08-28 06:30:58,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 06:30:58" (3/3) ... [2020-08-28 06:30:58,846 INFO L109 eAbstractionObserver]: Analyzing ICFG peterson.i [2020-08-28 06:30:58,858 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-08-28 06:30:58,859 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 06:30:58,869 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-08-28 06:30:58,871 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-08-28 06:30:58,902 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,903 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,903 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,904 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,905 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,905 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,906 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,906 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,907 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-28 06:30:58,951 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-08-28 06:30:58,976 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 06:30:58,976 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 06:30:58,976 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 06:30:58,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 06:30:58,977 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 06:30:58,977 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 06:30:58,977 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 06:30:58,977 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 06:30:58,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 06:30:58,996 INFO L168 Benchmark]: Toolchain (without parser) took 1583.40 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 97.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2020-08-28 06:30:58,997 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-28 06:30:58,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.10 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 163.4 MB in the end (delta: -62.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-08-28 06:30:58,999 INFO L168 Benchmark]: Boogie Preprocessor took 72.71 ms. Allocated memory is still 203.4 MB. Free memory was 163.4 MB in the beginning and 159.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-28 06:30:59,000 INFO L168 Benchmark]: RCFGBuilder took 634.39 ms. Allocated memory is still 203.4 MB. Free memory was 159.7 MB in the beginning and 107.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2020-08-28 06:30:59,001 INFO L168 Benchmark]: TraceAbstraction took 153.92 ms. Allocated memory is still 203.4 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-08-28 06:30:59,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 119.8 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.10 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 163.4 MB in the end (delta: -62.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.71 ms. Allocated memory is still 203.4 MB. Free memory was 163.4 MB in the beginning and 159.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 634.39 ms. Allocated memory is still 203.4 MB. Free memory was 159.7 MB in the beginning and 107.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 153.92 ms. Allocated memory is still 203.4 MB. Free memory was 106.7 MB in the beginning and 97.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...