/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:25:30,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:25:30,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:25:30,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:25:30,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:25:30,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:25:30,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:25:30,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:25:30,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:25:30,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:25:30,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:25:30,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:25:30,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:25:30,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:25:30,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:25:30,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:25:30,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:25:30,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:25:30,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:25:30,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:25:30,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:25:30,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:25:30,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:25:30,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:25:30,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:25:30,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:25:30,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:25:30,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:25:30,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:25:30,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:25:30,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:25:30,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:25:30,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:25:30,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:25:30,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:25:30,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:25:30,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:25:30,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:25:30,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:25:30,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:25:30,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:25:30,877 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 [2020-08-21 13:25:30,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:25:30,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:25:30,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:25:30,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:25:30,918 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:25:30,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:25:30,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:25:30,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:25:30,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:25:30,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:25:30,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:25:30,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:25:30,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:25:30,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:25:30,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:25:30,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:25:30,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:25:30,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:25:30,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:25:30,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:25:30,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:25:30,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:25:30,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:25:30,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:25:30,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:25:30,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:25:30,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:25:30,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:25:30,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:25:30,924 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 -> false [2020-08-21 13:25:31,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:25:31,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:25:31,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:25:31,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:25:31,238 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:25:31,239 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-08-21 13:25:31,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a6b6ed46/24956194483947caa9dfbd57fe26f6e7/FLAG68e0e9fca [2020-08-21 13:25:31,864 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:25:31,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-08-21 13:25:31,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a6b6ed46/24956194483947caa9dfbd57fe26f6e7/FLAG68e0e9fca [2020-08-21 13:25:32,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a6b6ed46/24956194483947caa9dfbd57fe26f6e7 [2020-08-21 13:25:32,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:25:32,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:25:32,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:25:32,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:25:32,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:25:32,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:32,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cd281f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32, skipping insertion in model container [2020-08-21 13:25:32,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:32,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:25:32,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:25:32,342 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-08-21 13:25:32,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:25:32,724 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:25:32,745 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-08-21 13:25:32,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:25:32,932 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:25:32,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32 WrapperNode [2020-08-21 13:25:32,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:25:32,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:25:32,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:25:32,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:25:32,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:32,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (1/1) ... [2020-08-21 13:25:33,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:25:33,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:25:33,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:25:33,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:25:33,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (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 [2020-08-21 13:25:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:25:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:25:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_16 [2020-08-21 13:25:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 13:25:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_enqueue [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-08-21 13:25:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-08-21 13:25:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_init [2020-08-21 13:25:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2020-08-21 13:25:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-08-21 13:25:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2020-08-21 13:25:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:25:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_16 [2020-08-21 13:25:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_bswap16 [2020-08-21 13:25:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 13:25:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 13:25:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-08-21 13:25:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-08-21 13:25:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-08-21 13:25:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-08-21 13:25:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-08-21 13:25:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-08-21 13:25:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-08-21 13:25:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-08-21 13:25:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-08-21 13:25:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-08-21 13:25:33,125 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-08-21 13:25:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-08-21 13:25:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-08-21 13:25:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-08-21 13:25:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-08-21 13:25:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-08-21 13:25:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-08-21 13:25:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-08-21 13:25:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-08-21 13:25:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-08-21 13:25:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-08-21 13:25:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-08-21 13:25:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-08-21 13:25:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-08-21 13:25:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-08-21 13:25:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-08-21 13:25:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-08-21 13:25:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-08-21 13:25:33,131 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-08-21 13:25:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-08-21 13:25:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-08-21 13:25:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-08-21 13:25:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-08-21 13:25:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-08-21 13:25:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-08-21 13:25:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-08-21 13:25:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-08-21 13:25:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-08-21 13:25:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-08-21 13:25:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-08-21 13:25:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-08-21 13:25:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-08-21 13:25:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-08-21 13:25:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-08-21 13:25:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-08-21 13:25:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-08-21 13:25:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-08-21 13:25:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-08-21 13:25:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-08-21 13:25:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-08-21 13:25:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-08-21 13:25:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-08-21 13:25:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-08-21 13:25:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-08-21 13:25:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-08-21 13:25:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-08-21 13:25:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-08-21 13:25:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-08-21 13:25:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-08-21 13:25:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-08-21 13:25:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-08-21 13:25:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-08-21 13:25:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-08-21 13:25:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-08-21 13:25:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-08-21 13:25:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-08-21 13:25:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-08-21 13:25:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-08-21 13:25:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-08-21 13:25:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-08-21 13:25:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-08-21 13:25:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-08-21 13:25:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2020-08-21 13:25:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-08-21 13:25:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-08-21 13:25:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:25:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ring_enqueue [2020-08-21 13:25:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:25:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:25:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure ring_init [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2020-08-21 13:25:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:25:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:25:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:25:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:25:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:25:33,159 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-08-21 13:25:33,841 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:25:33,842 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-21 13:25:33,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:25:33 BoogieIcfgContainer [2020-08-21 13:25:33,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:25:33,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:25:33,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:25:33,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:25:33,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:25:32" (1/3) ... [2020-08-21 13:25:33,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5645c334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:25:33, skipping insertion in model container [2020-08-21 13:25:33,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:25:32" (2/3) ... [2020-08-21 13:25:33,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5645c334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:25:33, skipping insertion in model container [2020-08-21 13:25:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:25:33" (3/3) ... [2020-08-21 13:25:33,854 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2020-08-21 13:25:33,864 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-08-21 13:25:33,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:25:33,872 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-08-21 13:25:33,873 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-08-21 13:25:33,907 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,907 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,907 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,911 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,911 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,911 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,911 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,912 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,912 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,912 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,912 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,913 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,913 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,913 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,913 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 13:25:33,914 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:251) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) 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) [2020-08-21 13:25:33,923 INFO L168 Benchmark]: Toolchain (without parser) took 1805.10 ms. Allocated memory was 141.6 MB in the beginning and 234.9 MB in the end (delta: 93.3 MB). Free memory was 103.0 MB in the beginning and 175.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,927 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.93 ms. Allocated memory was 141.6 MB in the beginning and 207.6 MB in the end (delta: 66.1 MB). Free memory was 102.6 MB in the beginning and 153.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,929 INFO L168 Benchmark]: Boogie Preprocessor took 117.26 ms. Allocated memory is still 207.6 MB. Free memory was 153.8 MB in the beginning and 150.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,930 INFO L168 Benchmark]: RCFGBuilder took 793.63 ms. Allocated memory was 207.6 MB in the beginning and 234.9 MB in the end (delta: 27.3 MB). Free memory was 150.0 MB in the beginning and 181.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,931 INFO L168 Benchmark]: TraceAbstraction took 73.57 ms. Allocated memory is still 234.9 MB. Free memory was 180.0 MB in the beginning and 175.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:25:33,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.93 ms. Allocated memory was 141.6 MB in the beginning and 207.6 MB in the end (delta: 66.1 MB). Free memory was 102.6 MB in the beginning and 153.8 MB in the end (delta: -51.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.26 ms. Allocated memory is still 207.6 MB. Free memory was 153.8 MB in the beginning and 150.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 793.63 ms. Allocated memory was 207.6 MB in the beginning and 234.9 MB in the end (delta: 27.3 MB). Free memory was 150.0 MB in the beginning and 181.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73.57 ms. Allocated memory is still 234.9 MB. Free memory was 180.0 MB in the beginning and 175.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:251) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...