/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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-wmm/safe035_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:59:36,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:59:36,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:59:36,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:59:36,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:59:36,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:59:36,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:59:36,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:59:36,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:59:36,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:59:36,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:59:36,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:59:36,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:59:36,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:59:36,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:59:36,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:59:36,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:59:36,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:59:36,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:59:36,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:59:36,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:59:36,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:59:36,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:59:36,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:59:36,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:59:36,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:59:36,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:59:36,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:59:36,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:59:36,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:59:36,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:59:36,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:59:36,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:59:36,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:59:36,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:59:36,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:59:36,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:59:36,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:59:36,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:59:36,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:59:36,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:59:36,391 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 [2020-09-25 07:59:36,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:59:36,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:59:36,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:59:36,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:59:36,438 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:59:36,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:59:36,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:59:36,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:59:36,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:59:36,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:59:36,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:59:36,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:59:36,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:59:36,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:59:36,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:59:36,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:59:36,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:59:36,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:59:36,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:59:36,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:59:36,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:59:36,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:59:36,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:59:36,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:59:36,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:59:36,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:59:36,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:59:36,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:59:36,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:59:36,445 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:59:36,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:59:36,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:59:36,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:59:36,942 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:59:36,942 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:59:36,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.opt.i [2020-09-25 07:59:37,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6df14eec3/6a411f082a284103a3318f862a62ecac/FLAG758200887 [2020-09-25 07:59:37,603 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:59:37,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe035_rmo.opt.i [2020-09-25 07:59:37,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6df14eec3/6a411f082a284103a3318f862a62ecac/FLAG758200887 [2020-09-25 07:59:37,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6df14eec3/6a411f082a284103a3318f862a62ecac [2020-09-25 07:59:37,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:59:37,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:59:37,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:59:37,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:59:37,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:59:37,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:59:37" (1/1) ... [2020-09-25 07:59:37,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490952e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:37, skipping insertion in model container [2020-09-25 07:59:37,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:59:37" (1/1) ... [2020-09-25 07:59:37,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:59:37,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:59:38,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:59:38,567 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:59:38,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:59:38,711 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:59:38,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38 WrapperNode [2020-09-25 07:59:38,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:59:38,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:59:38,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:59:38,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:59:38,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (1/1) ... [2020-09-25 07:59:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:59:38,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:59:38,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:59:38,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:59:38,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (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 [2020-09-25 07:59:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:59:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:59:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 07:59:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 07:59:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 07:59:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 07:59:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-09-25 07:59:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-09-25 07:59:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-09-25 07:59:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-09-25 07:59:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-09-25 07:59:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-09-25 07:59:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2020-09-25 07:59:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2020-09-25 07:59:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2020-09-25 07:59:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:59:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 07:59:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 07:59:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 07:59:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:59:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-09-25 07:59:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 07:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 07:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-09-25 07:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-09-25 07:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-09-25 07:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-09-25 07:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-09-25 07:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-09-25 07:59:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-09-25 07:59:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-09-25 07:59:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-09-25 07:59:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-09-25 07:59:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-09-25 07:59:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-09-25 07:59:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-09-25 07:59:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-09-25 07:59:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-09-25 07:59:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-09-25 07:59:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-09-25 07:59:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-09-25 07:59:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-09-25 07:59:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-09-25 07:59:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-09-25 07:59:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-09-25 07:59:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-09-25 07:59:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-09-25 07:59:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-09-25 07:59:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-09-25 07:59:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-09-25 07:59:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-09-25 07:59:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-09-25 07:59:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-09-25 07:59:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-09-25 07:59:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-09-25 07:59:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-09-25 07:59:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-09-25 07:59:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-09-25 07:59:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-09-25 07:59:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-09-25 07:59:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-09-25 07:59:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-09-25 07:59:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-09-25 07:59:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-09-25 07:59:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-09-25 07:59:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-09-25 07:59:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-09-25 07:59:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-09-25 07:59:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-09-25 07:59:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-09-25 07:59:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2020-09-25 07:59:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:59:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:59:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:59:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:59:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:59:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:59:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:59:39,469 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:59:39,470 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:59:39,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:59:39 BoogieIcfgContainer [2020-09-25 07:59:39,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:59:39,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:59:39,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:59:39,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:59:39,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:59:37" (1/3) ... [2020-09-25 07:59:39,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bec7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:59:39, skipping insertion in model container [2020-09-25 07:59:39,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:59:38" (2/3) ... [2020-09-25 07:59:39,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bec7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:59:39, skipping insertion in model container [2020-09-25 07:59:39,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:59:39" (3/3) ... [2020-09-25 07:59:39,490 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_rmo.opt.i [2020-09-25 07:59:39,503 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-25 07:59:39,503 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:59:39,516 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:59:39,517 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-25 07:59:39,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,561 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,563 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,563 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,571 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,585 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,585 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,585 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,586 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-25 07:59:39,613 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-25 07:59:39,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:59:39,642 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:59:39,642 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:59:39,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:59:39,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:59:39,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:59:39,642 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:59:39,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:59:39,662 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-25 07:59:39,671 INFO L168 Benchmark]: Toolchain (without parser) took 1792.20 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 89.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,673 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.51 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 159.5 MB in the end (delta: -59.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,676 INFO L168 Benchmark]: Boogie Preprocessor took 71.31 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 156.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,677 INFO L168 Benchmark]: RCFGBuilder took 692.87 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 99.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,678 INFO L168 Benchmark]: TraceAbstraction took 188.11 ms. Allocated memory is still 202.4 MB. Free memory was 99.2 MB in the beginning and 89.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-25 07:59:39,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 829.51 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 100.4 MB in the beginning and 159.5 MB in the end (delta: -59.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.31 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 156.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 692.87 ms. Allocated memory is still 202.4 MB. Free memory was 156.1 MB in the beginning and 99.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 188.11 ms. Allocated memory is still 202.4 MB. Free memory was 99.2 MB in the beginning and 89.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:390) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...