/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:17:16,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:17:16,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:17:16,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:17:16,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:17:16,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:17:16,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:17:16,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:17:16,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:17:16,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:17:16,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:17:16,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:17:16,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:17:16,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:17:16,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:17:16,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:17:16,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:17:16,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:17:16,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:17:16,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:17:16,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:17:16,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:17:16,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:17:16,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:17:16,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:17:16,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:17:16,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:17:16,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:17:16,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:17:16,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:17:16,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:17:16,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:17:16,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:17:16,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:17:16,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:17:16,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:17:16,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:17:16,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:17:16,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:17:16,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:17:16,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:17:16,096 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 22:17:16,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:17:16,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:17:16,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:17:16,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:17:16,121 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:17:16,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:17:16,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:17:16,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:17:16,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:17:16,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:17:16,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:17:16,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:17:16,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:17:16,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:17:16,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:17:16,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:17:16,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:17:16,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:17:16,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:17:16,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:17:16,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:17:16,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:17:16,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:17:16,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:17:16,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:17:16,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:17:16,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:17:16,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:17:16,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:17:16,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:17:16,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:17:16,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:17:16,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:17:16,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:17:16,470 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:17:16,471 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-08-21 22:17:16,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5951a0f/e781e9023043484d822caa1aed1bfc46/FLAG9c25420fc [2020-08-21 22:17:17,080 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:17:17,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-divine/ring_1w1r-1.i [2020-08-21 22:17:17,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5951a0f/e781e9023043484d822caa1aed1bfc46/FLAG9c25420fc [2020-08-21 22:17:17,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5951a0f/e781e9023043484d822caa1aed1bfc46 [2020-08-21 22:17:17,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:17:17,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:17:17,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:17:17,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:17:17,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:17:17,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:17:17" (1/1) ... [2020-08-21 22:17:17,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e0a100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:17, skipping insertion in model container [2020-08-21 22:17:17,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:17:17" (1/1) ... [2020-08-21 22:17:17,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:17:17,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:17:17,650 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-08-21 22:17:17,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:17:17,977 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:17:18,000 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-08-21 22:17:18,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:17:18,220 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:17:18,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18 WrapperNode [2020-08-21 22:17:18,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:17:18,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:17:18,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:17:18,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:17:18,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (1/1) ... [2020-08-21 22:17:18,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:17:18,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:17:18,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:17:18,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:17:18,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (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 22:17:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:17:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:17:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_16 [2020-08-21 22:17:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 22:17:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 22:17:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-08-21 22:17:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-08-21 22:17:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-08-21 22:17:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_enqueue [2020-08-21 22:17:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-08-21 22:17:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-08-21 22:17:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_init [2020-08-21 22:17:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2020-08-21 22:17:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-08-21 22:17:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2020-08-21 22:17:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:17:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_16 [2020-08-21 22:17:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_bswap16 [2020-08-21 22:17:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 22:17:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 22:17:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-08-21 22:17:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-08-21 22:17:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-08-21 22:17:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-08-21 22:17:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-08-21 22:17:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-08-21 22:17:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-08-21 22:17:18,430 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-08-21 22:17:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-08-21 22:17:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-08-21 22:17:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-08-21 22:17:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-08-21 22:17:18,431 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-08-21 22:17:18,432 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-08-21 22:17:18,433 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-08-21 22:17:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-08-21 22:17:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-08-21 22:17:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-08-21 22:17:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-08-21 22:17:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-08-21 22:17:18,436 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-08-21 22:17:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-08-21 22:17:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-08-21 22:17:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-08-21 22:17:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-08-21 22:17:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-08-21 22:17:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-08-21 22:17:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-08-21 22:17:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-08-21 22:17:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-08-21 22:17:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-08-21 22:17:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-08-21 22:17:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-08-21 22:17:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-08-21 22:17:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-08-21 22:17:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-08-21 22:17:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-08-21 22:17:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-08-21 22:17:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-08-21 22:17:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-08-21 22:17:18,444 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-08-21 22:17:18,445 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-08-21 22:17:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-08-21 22:17:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-08-21 22:17:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-08-21 22:17:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-08-21 22:17:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-08-21 22:17:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-08-21 22:17:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-08-21 22:17:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-08-21 22:17:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-08-21 22:17:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-08-21 22:17:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-08-21 22:17:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-08-21 22:17:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-08-21 22:17:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-08-21 22:17:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-08-21 22:17:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-08-21 22:17:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-08-21 22:17:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-08-21 22:17:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-08-21 22:17:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-08-21 22:17:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-08-21 22:17:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-08-21 22:17:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-08-21 22:17:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-08-21 22:17:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure ffsl [2020-08-21 22:17:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure ffsll [2020-08-21 22:17:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-08-21 22:17:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-08-21 22:17:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp_l [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp_l [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure explicit_bzero [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-08-21 22:17:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ring_enqueue [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 22:17:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ring_init [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-08-21 22:17:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2020-08-21 22:17:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:17:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 22:17:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 22:17:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:17:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:17:18,469 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 22:17:19,373 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:17:19,373 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-21 22:17:19,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:17:19 BoogieIcfgContainer [2020-08-21 22:17:19,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:17:19,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:17:19,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:17:19,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:17:19,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:17:17" (1/3) ... [2020-08-21 22:17:19,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a93282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:17:19, skipping insertion in model container [2020-08-21 22:17:19,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:17:18" (2/3) ... [2020-08-21 22:17:19,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a93282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:17:19, skipping insertion in model container [2020-08-21 22:17:19,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:17:19" (3/3) ... [2020-08-21 22:17:19,388 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2020-08-21 22:17:19,399 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-08-21 22:17:19,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:17:19,407 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-08-21 22:17:19,408 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-08-21 22:17:19,456 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,456 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,456 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,456 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,457 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,458 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,458 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,458 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,458 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,458 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,459 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,459 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,459 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,459 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,460 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-08-21 22:17:19,461 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 22:17:19,470 INFO L168 Benchmark]: Toolchain (without parser) took 2076.63 ms. Allocated memory was 138.9 MB in the beginning and 234.9 MB in the end (delta: 95.9 MB). Free memory was 100.0 MB in the beginning and 175.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-08-21 22:17:19,480 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 22:17:19,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.08 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 147.7 MB in the end (delta: -47.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-08-21 22:17:19,486 INFO L168 Benchmark]: Boogie Preprocessor took 129.85 ms. Allocated memory is still 202.9 MB. Free memory was 147.7 MB in the beginning and 143.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 22:17:19,487 INFO L168 Benchmark]: RCFGBuilder took 1025.66 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 143.7 MB in the beginning and 183.0 MB in the end (delta: -39.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2020-08-21 22:17:19,490 INFO L168 Benchmark]: TraceAbstraction took 83.79 ms. Allocated memory is still 234.9 MB. Free memory was 183.0 MB in the beginning and 175.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2020-08-21 22:17:19,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 832.08 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 147.7 MB in the end (delta: -47.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.85 ms. Allocated memory is still 202.9 MB. Free memory was 147.7 MB in the beginning and 143.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1025.66 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 143.7 MB in the beginning and 183.0 MB in the end (delta: -39.3 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 83.79 ms. Allocated memory is still 234.9 MB. Free memory was 183.0 MB in the beginning and 175.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 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...