/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.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/20_lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:43:31,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:43:31,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:43:31,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:43:31,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:43:31,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:43:31,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:43:31,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:43:31,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:43:31,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:43:31,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:43:31,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:43:31,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:43:31,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:43:31,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:43:31,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:43:31,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:43:31,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:43:31,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:43:31,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:43:31,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:43:31,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:43:31,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:43:31,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:43:31,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:43:31,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:43:31,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:43:31,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:43:31,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:43:31,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:43:31,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:43:31,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:43:31,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:43:31,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:43:31,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:43:31,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:43:31,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:43:31,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:43:31,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:43:31,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:43:31,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:43:31,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:43:31,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:43:31,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:43:31,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:43:31,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:43:31,552 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:43:31,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:43:31,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:43:31,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:43:31,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:43:31,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:43:31,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:43:31,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:43:31,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:43:31,560 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:43:31,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:43:31,561 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:43:31,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:43:31,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:43:31,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:43:31,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:43:31,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:43:31,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:43:31,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:43:31,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:43:31,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:43:31,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:43:31,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:43:31,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:43:31,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:43:31,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:43:31,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:43:31,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:43:31,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:43:31,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:43:31,968 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:43:31,970 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/20_lamport.i [2020-07-20 01:43:32,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb941afef/97af72edb78046b89a60479f43407ea8/FLAG24318bf3f [2020-07-20 01:43:32,780 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:43:32,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/20_lamport.i [2020-07-20 01:43:32,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb941afef/97af72edb78046b89a60479f43407ea8/FLAG24318bf3f [2020-07-20 01:43:32,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb941afef/97af72edb78046b89a60479f43407ea8 [2020-07-20 01:43:32,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:43:32,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:43:32,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:43:32,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:43:32,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:43:32,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:32" (1/1) ... [2020-07-20 01:43:32,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed27aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:32, skipping insertion in model container [2020-07-20 01:43:32,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:43:32" (1/1) ... [2020-07-20 01:43:32,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:43:33,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:43:33,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:43:33,571 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:43:33,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:43:33,728 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:43:33,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33 WrapperNode [2020-07-20 01:43:33,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:43:33,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:43:33,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:43:33,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:43:33,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... [2020-07-20 01:43:33,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:43:33,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:43:33,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:43:33,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:43:33,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 01:43:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:43:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:43:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-20 01:43:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-20 01:43:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-20 01:43:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-20 01:43:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-20 01:43:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-07-20 01:43:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-07-20 01:43:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:43:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:43:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-20 01:43:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-20 01:43:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-20 01:43:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-20 01:43:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-20 01:43:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-07-20 01:43:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-07-20 01:43:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-07-20 01:43:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-07-20 01:43:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-07-20 01:43:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-07-20 01:43:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-07-20 01:43:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-07-20 01:43:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-07-20 01:43:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-07-20 01:43:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-07-20 01:43:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-07-20 01:43:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-07-20 01:43:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-07-20 01:43:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-07-20 01:43:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-07-20 01:43:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-07-20 01:43:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-07-20 01:43:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-07-20 01:43:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-07-20 01:43:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-07-20 01:43:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-07-20 01:43:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-07-20 01:43:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-07-20 01:43:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-07-20 01:43:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-07-20 01:43:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-07-20 01:43:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-07-20 01:43:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-07-20 01:43:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-07-20 01:43:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-07-20 01:43:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-07-20 01:43:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-07-20 01:43:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-07-20 01:43:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-07-20 01:43:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-07-20 01:43:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-07-20 01:43:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-07-20 01:43:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-07-20 01:43:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-07-20 01:43:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-07-20 01:43:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-07-20 01:43:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-07-20 01:43:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-07-20 01:43:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-07-20 01:43:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-07-20 01:43:33,978 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-07-20 01:43:33,979 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-07-20 01:43:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-07-20 01:43:33,980 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-07-20 01:43:33,981 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-07-20 01:43:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-07-20 01:43:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-07-20 01:43:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-07-20 01:43:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-07-20 01:43:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-07-20 01:43:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-07-20 01:43:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-07-20 01:43:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-07-20 01:43:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-07-20 01:43:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-07-20 01:43:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-07-20 01:43:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-07-20 01:43:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-07-20 01:43:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-07-20 01:43:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-07-20 01:43:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-07-20 01:43:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-07-20 01:43:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-07-20 01:43:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-07-20 01:43:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-07-20 01:43:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-07-20 01:43:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-07-20 01:43:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-07-20 01:43:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-07-20 01:43:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-07-20 01:43:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:43:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:43:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:43:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:43:34,002 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-20 01:43:34,722 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:43:34,723 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-20 01:43:34,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:43:34 BoogieIcfgContainer [2020-07-20 01:43:34,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:43:34,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:43:34,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:43:34,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:43:34,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:43:32" (1/3) ... [2020-07-20 01:43:34,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b37b029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:43:34, skipping insertion in model container [2020-07-20 01:43:34,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:43:33" (2/3) ... [2020-07-20 01:43:34,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b37b029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:43:34, skipping insertion in model container [2020-07-20 01:43:34,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:43:34" (3/3) ... [2020-07-20 01:43:34,742 INFO L109 eAbstractionObserver]: Analyzing ICFG 20_lamport.i [2020-07-20 01:43:34,754 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-20 01:43:34,755 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:43:34,766 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-20 01:43:34,767 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-20 01:43:34,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,812 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,812 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-20 01:43:34,847 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-20 01:43:34,868 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:43:34,868 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:43:34,868 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:43:34,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:43:34,869 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:43:34,869 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:43:34,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:43:34,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:43:34,879 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-20 01:43:34,885 INFO L168 Benchmark]: Toolchain (without parser) took 1911.00 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 100.5 MB in the beginning and 95.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,887 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.90 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 162.7 MB in the end (delta: -62.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,889 INFO L168 Benchmark]: Boogie Preprocessor took 110.52 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 159.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,890 INFO L168 Benchmark]: RCFGBuilder took 887.36 ms. Allocated memory is still 202.4 MB. Free memory was 159.3 MB in the beginning and 104.6 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,891 INFO L168 Benchmark]: TraceAbstraction took 149.41 ms. Allocated memory is still 202.4 MB. Free memory was 103.9 MB in the beginning and 95.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:43:34,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.90 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 100.1 MB in the beginning and 162.7 MB in the end (delta: -62.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.52 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 159.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 887.36 ms. Allocated memory is still 202.4 MB. Free memory was 159.3 MB in the beginning and 104.6 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149.41 ms. Allocated memory is still 202.4 MB. Free memory was 103.9 MB in the beginning and 95.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 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...