/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 SequenceOfStatements --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:34:27,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:34:27,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:34:27,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:34:27,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:34:27,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:34:27,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:34:27,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:34:27,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:34:27,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:34:27,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:34:27,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:34:27,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:34:27,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:34:27,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:34:27,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:34:27,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:34:27,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:34:27,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:34:27,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:34:27,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:34:27,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:34:27,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:34:27,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:34:27,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:34:27,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:34:27,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:34:27,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:34:27,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:34:27,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:34:27,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:34:27,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:34:27,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:34:27,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:34:27,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:34:27,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:34:27,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:34:27,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:34:27,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:34:27,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:34:27,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:34:27,801 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 [2020-10-12 10:34:27,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:34:27,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:34:27,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:34:27,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:34:27,855 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:34:27,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:34:27,855 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:34:27,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:34:27,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:34:27,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:34:27,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:34:27,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:34:27,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:34:27,857 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:34:27,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:34:27,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:34:27,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:34:27,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:34:27,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:34:27,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:34:27,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:34:27,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:34:27,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:34:27,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:34:27,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:34:27,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:34:27,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:34:27,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:34:27,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:34:27,860 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 -> SequenceOfStatements 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 10:34:28,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:34:28,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:34:28,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:34:28,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:34:28,218 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:34:28,219 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2020-10-12 10:34:28,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/83792c0ef/da3b0242252f4ec699d222338d66e3f6/FLAG1a7f15669 [2020-10-12 10:34:28,973 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:34:28,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2020-10-12 10:34:29,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/83792c0ef/da3b0242252f4ec699d222338d66e3f6/FLAG1a7f15669 [2020-10-12 10:34:29,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/83792c0ef/da3b0242252f4ec699d222338d66e3f6 [2020-10-12 10:34:29,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:34:29,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:34:29,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:34:29,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:34:29,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:34:29,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:34:29" (1/1) ... [2020-10-12 10:34:29,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe15f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:29, skipping insertion in model container [2020-10-12 10:34:29,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:34:29" (1/1) ... [2020-10-12 10:34:29,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:34:29,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:34:30,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:34:30,672 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:34:30,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:34:31,687 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:34:31,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31 WrapperNode [2020-10-12 10:34:31,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:34:31,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:34:31,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:34:31,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:34:31,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:31,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (1/1) ... [2020-10-12 10:34:32,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:34:32,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:34:32,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:34:32,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:34:32,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (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 [2020-10-12 10:34:32,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:34:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:34:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-12 10:34:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-12 10:34:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-12 10:34:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-12 10:34:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-12 10:34:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 10:34:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 10:34:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-12 10:34:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-12 10:34:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-12 10:34:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 10:34:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 10:34:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2020-10-12 10:34:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_interrupt [2020-10-12 10:34:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-12 10:34:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_usecs [2020-10-12 10:34:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-12 10:34:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-12 10:34:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-12 10:34:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-12 10:34:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-12 10:34:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-12 10:34:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_init [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_destroy [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_lock [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_unlock [2020-10-12 10:34:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_negative [2020-10-12 10:34:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-12 10:34:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2020-10-12 10:34:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sigfillset [2020-10-12 10:34:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sigaddsetmask [2020-10-12 10:34:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sigdelsetmask [2020-10-12 10:34:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sigtestsetmask [2020-10-12 10:34:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-12 10:34:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-12 10:34:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-12 10:34:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-12 10:34:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2020-10-12 10:34:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2020-10-12 10:34:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_status [2020-10-12 10:34:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2020-10-12 10:34:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2020-10-12 10:34:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_timer [2020-10-12 10:34:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2020-10-12 10:34:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_on [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_write [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ioctl [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_open [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_close [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_notify_sys [2020-10-12 10:34:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_show_action [2020-10-12 10:34:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_init [2020-10-12 10:34:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_exit [2020-10-12 10:34:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:34:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 10:34:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 10:34:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2020-10-12 10:34:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2020-10-12 10:34:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-12 10:34:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-12 10:34:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kernel [2020-10-12 10:34:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ddv [2020-10-12 10:34:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure call_ddv [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure call_cdev_functions [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure create_request [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rq_function [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure call_genhd_functions [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure call_interrupt_handler [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure create_pci_dev [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_device [2020-10-12 10:34:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove_device [2020-10-12 10:34:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure call_pci_functions [2020-10-12 10:34:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure call_tasklet_functions [2020-10-12 10:34:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure call_timer_functions [2020-10-12 10:34:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-12 10:34:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_class [2020-10-12 10:34:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_register_driver [2020-10-12 10:34:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-12 10:34:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-12 10:34:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure put_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-12 10:34:32,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fixed_request_queue [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-12 10:34:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure end_request [2020-10-12 10:34:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_hardsect_size [2020-10-12 10:34:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-12 10:34:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-12 10:34:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-12 10:34:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-12 10:34:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-12 10:34:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2020-10-12 10:34:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-12 10:34:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-12 10:34:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2020-10-12 10:34:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-12 10:34:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-12 10:34:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-12 10:34:32,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_init [2020-10-12 10:34:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 10:34:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 10:34:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2020-10-12 10:34:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2020-10-12 10:34:32,163 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-12 10:34:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-12 10:34:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2020-10-12 10:34:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-12 10:34:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2020-10-12 10:34:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-12 10:34:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-12 10:34:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure inw_p [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure outw_p [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure inl_p [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure outl_p [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-12 10:34:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-12 10:34:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-12 10:34:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX [2020-10-12 10:34:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX_LOCKED [2020-10-12 10:34:32,174 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-12 10:34:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-12 10:34:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2020-10-12 10:34:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-12 10:34:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-12 10:34:32,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-12 10:34:32,177 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer_on [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_head [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_all [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_interruptible [2020-10-12 10:34:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sleep_on [2020-10-12 10:34:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2020-10-12 10:34:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-12 10:34:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure call_shared_workqueue_functions [2020-10-12 10:34:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-12 10:34:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-12 10:34:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-12 10:34:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_page [2020-10-12 10:34:32,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2020-10-12 10:34:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-12 10:34:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-12 10:34:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page [2020-10-12 10:34:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 10:34:32,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-12 10:34:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure release_mem_region [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mem_region [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2020-10-12 10:34:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2020-10-12 10:34:32,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_interrupt [2020-10-12 10:34:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure call_ddv [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure barrier [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_usecs [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-12 10:34:32,185 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer_on [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-12 10:34:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure rmb [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure read_barrier_depends [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure wmb [2020-10-12 10:34:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure mb [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-12 10:34:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_head [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_all [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_interruptible [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-12 10:34:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue_exclusive [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure sleep_on [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pthread_t [2020-10-12 10:34:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-12 10:34:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-12 10:34:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-12 10:34:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-12 10:34:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-12 10:34:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-12 10:34:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-12 10:34:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-12 10:34:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getattr_np [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getconcurrency [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setconcurrency [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_yield [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 10:34:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-12 10:34:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-12 10:34:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-12 10:34:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_kill_other_threads_np [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 10:34:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sector_t [2020-10-12 10:34:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pchar [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure noop [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2020-10-12 10:34:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_negative [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_page [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure free_page [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-12 10:34:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure ksize [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-12 10:34:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strnicmp [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2020-10-12 10:34:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strstrip [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-12 10:34:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure memscan [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 10:34:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_change_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2020-10-12 10:34:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure sigfillset [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure sigaddsetmask [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure sigdelsetmask [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure sigtestsetmask [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-12 10:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2020-10-12 10:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_signal [2020-10-12 10:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2020-10-12 10:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure set_current_state [2020-10-12 10:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure kill_proc [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtol [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoll [2020-10-12 10:34:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure cond_resched [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_option [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_options [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-12 10:34:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX_LOCKED [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-12 10:34:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-12 10:34:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-12 10:34:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2020-10-12 10:34:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-12 10:34:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2020-10-12 10:34:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_open [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_show [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-12 10:34:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure check_disk_change [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-12 10:34:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure request_mem_region [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure release_mem_region [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure machine_restart [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure machine_halt [2020-10-12 10:34:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure machine_power_off [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure machine_shutdown [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure machine_crash_shutdown [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_shutdown_prepare [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_restart [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_halt [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_power_off [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_alt_del [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure emergency_restart [2020-10-12 10:34:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-12 10:34:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure inw_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure outw_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure inl_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure outl_p [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-12 10:34:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2020-10-12 10:34:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8_rep [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16_rep [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8_rep [2020-10-12 10:34:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16_rep [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-12 10:34:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_user [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure put_user [2020-10-12 10:34:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 10:34:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-12 10:34:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_status [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_timer [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_on [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2020-10-12 10:34:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure zf_write [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ioctl [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_open [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_close [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_notify_sys [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_show_action [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 10:34:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure zf_init [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure zf_exit [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_put [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-12 10:34:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure cd_forget [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure call_cdev_functions [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure class_create [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_create [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_destroy [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 10:34:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk_randomness [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-12 10:34:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_init [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure page_address [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2020-10-12 10:34:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_mask [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure cli [2020-10-12 10:34:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure sti [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure save_flags [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure restore_flags [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap_atomic [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_pfn [2020-10-12 10:34:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_to_page [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kmap_atomic [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kunmap_atomic [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_sectors [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure elv_next_request [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-12 10:34:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_hardsect_size [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_plug_device [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_remove_plug [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_dequeue_request [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_first [2020-10-12 10:34:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_chunk [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_last [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure end_request [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure blk_complete_request [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_phys_segments [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_segments [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-12 10:34:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure call_genhd_functions [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_class [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_register_driver [2020-10-12 10:34:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-12 10:34:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_device [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove_device [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure call_pci_functions [2020-10-12 10:34:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure call_interrupt_handler [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure call_tasklet_functions [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure call_timer_functions [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure call_shared_workqueue_functions [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure init_kernel [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ddv [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-12 10:34:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure create_request [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure call_rq_function [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 10:34:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure create_pci_dev [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_fixed_request_queue [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_entry [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2020-10-12 10:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_escape [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-12 10:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-12 10:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure do_SAK [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-12 10:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 10:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:34:48,199 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:34:48,199 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-12 10:34:48,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:34:48 BoogieIcfgContainer [2020-10-12 10:34:48,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:34:48,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:34:48,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:34:48,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:34:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:34:29" (1/3) ... [2020-10-12 10:34:48,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86559b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:34:48, skipping insertion in model container [2020-10-12 10:34:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:34:31" (2/3) ... [2020-10-12 10:34:48,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b86559b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:34:48, skipping insertion in model container [2020-10-12 10:34:48,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:34:48" (3/3) ... [2020-10-12 10:34:48,225 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2020-10-12 10:34:48,236 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:34:48,247 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:34:48,262 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:34:48,295 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:34:48,295 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:34:48,296 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:34:48,296 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:34:48,296 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:34:48,296 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:34:48,296 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:34:48,296 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:34:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states. [2020-10-12 10:34:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-12 10:34:48,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:34:48,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:34:48,339 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:34:48,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:34:48,345 INFO L82 PathProgramCache]: Analyzing trace with hash -497435453, now seen corresponding path program 1 times [2020-10-12 10:34:48,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:34:48,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259395285] [2020-10-12 10:34:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:34:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:49,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:49,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:51,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 10:34:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:34:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2940 [2020-10-12 10:34:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:34:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 10:34:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 10:34:53,258 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:34:53,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:34:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:53,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:53,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:53,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:34:53,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-12 10:34:53,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:53,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:34:53,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:34:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 10:34:53,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:34:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 10:34:53,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:34:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:34:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 10:34:53,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:53,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:34:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:53,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:53,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:34:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 10:34:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:34:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:34:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 10:34:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:34:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:34:53,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:34:53,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:34:53,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:34:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 10:34:53,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:34:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:34:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:34:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:34:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:34:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:34:53,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259395285] [2020-10-12 10:34:53,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:34:53,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:34:53,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820288910] [2020-10-12 10:34:53,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:34:53,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:34:53,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:34:53,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:34:53,899 INFO L87 Difference]: Start difference. First operand 713 states. Second operand 5 states. [2020-10-12 10:35:01,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:35:01,985 INFO L93 Difference]: Finished difference Result 1011 states and 1390 transitions. [2020-10-12 10:35:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:35:01,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-12 10:35:01,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:35:02,011 INFO L225 Difference]: With dead ends: 1011 [2020-10-12 10:35:02,011 INFO L226 Difference]: Without dead ends: 526 [2020-10-12 10:35:02,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:35:02,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-12 10:35:02,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 461. [2020-10-12 10:35:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-12 10:35:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 593 transitions. [2020-10-12 10:35:02,229 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 593 transitions. Word has length 36 [2020-10-12 10:35:02,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:35:02,230 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 593 transitions. [2020-10-12 10:35:02,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:35:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 593 transitions. [2020-10-12 10:35:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 10:35:02,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:35:02,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:35:02,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:35:02,234 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:35:02,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:35:02,234 INFO L82 PathProgramCache]: Analyzing trace with hash -403478081, now seen corresponding path program 1 times [2020-10-12 10:35:02,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:35:02,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035600624] [2020-10-12 10:35:02,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:35:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:02,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:03,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:03,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 10:35:03,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:03,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1430 [2020-10-12 10:35:03,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:03,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:35:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:35:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 10:35:03,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:05,194 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:35:05,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:35:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:05,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:05,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:05,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 10:35:05,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:05,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:35:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:05,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 10:35:05,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 10:35:05,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:35:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:35:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 10:35:05,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:35:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:05,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:05,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:05,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:05,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:35:05,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:05,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:05,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 10:35:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:05,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:05,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:35:05,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:05,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:35:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:35:05,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035600624] [2020-10-12 10:35:05,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:35:05,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 10:35:05,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289320700] [2020-10-12 10:35:05,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 10:35:05,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:35:05,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 10:35:05,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:35:05,522 INFO L87 Difference]: Start difference. First operand 461 states and 593 transitions. Second operand 6 states. [2020-10-12 10:35:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:35:14,694 INFO L93 Difference]: Finished difference Result 974 states and 1263 transitions. [2020-10-12 10:35:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:35:14,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-12 10:35:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:35:14,701 INFO L225 Difference]: With dead ends: 974 [2020-10-12 10:35:14,701 INFO L226 Difference]: Without dead ends: 528 [2020-10-12 10:35:14,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:35:14,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-12 10:35:14,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 463. [2020-10-12 10:35:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-12 10:35:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 595 transitions. [2020-10-12 10:35:14,814 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 595 transitions. Word has length 40 [2020-10-12 10:35:14,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:35:14,814 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 595 transitions. [2020-10-12 10:35:14,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 10:35:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 595 transitions. [2020-10-12 10:35:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 10:35:14,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:35:14,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:35:14,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:35:14,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:35:14,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:35:14,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1209779939, now seen corresponding path program 2 times [2020-10-12 10:35:14,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:35:14,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150005717] [2020-10-12 10:35:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:35:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:16,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:16,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 10:35:16,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:16,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2080 [2020-10-12 10:35:16,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:35:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:35:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:35:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:18,164 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:35:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:35:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:18,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:18,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:18,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:18,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 10:35:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:35:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:18,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:18,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 10:35:18,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 10:35:18,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:35:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:35:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:35:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:35:18,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:35:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:18,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:18,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:18,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 10:35:18,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:18,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 10:35:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:18,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:18,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:18,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 10:35:18,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:35:18,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:18,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:35:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:35:18,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150005717] [2020-10-12 10:35:18,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:35:18,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 10:35:18,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446129631] [2020-10-12 10:35:18,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 10:35:18,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:35:18,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 10:35:18,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:35:18,655 INFO L87 Difference]: Start difference. First operand 463 states and 595 transitions. Second operand 7 states. [2020-10-12 10:35:37,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:35:37,737 INFO L93 Difference]: Finished difference Result 976 states and 1265 transitions. [2020-10-12 10:35:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 10:35:37,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-12 10:35:37,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:35:37,744 INFO L225 Difference]: With dead ends: 976 [2020-10-12 10:35:37,744 INFO L226 Difference]: Without dead ends: 530 [2020-10-12 10:35:37,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:35:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-12 10:35:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 465. [2020-10-12 10:35:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-12 10:35:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 597 transitions. [2020-10-12 10:35:37,856 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 597 transitions. Word has length 42 [2020-10-12 10:35:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:35:37,857 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 597 transitions. [2020-10-12 10:35:37,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 10:35:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 597 transitions. [2020-10-12 10:35:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-12 10:35:37,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:35:37,858 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:35:37,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 10:35:37,859 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:35:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:35:37,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1323215099, now seen corresponding path program 3 times [2020-10-12 10:35:37,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:35:37,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638273998] [2020-10-12 10:35:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:35:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 10:35:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2696 [2020-10-12 10:35:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:35:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:35:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 10:35:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:41,901 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:35:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:35:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:41,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:42,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:42,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:42,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 10:35:42,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:42,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:42,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:35:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:35:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:42,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:42,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:42,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 10:35:42,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 10:35:42,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:35:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:35:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 10:35:42,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:42,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:35:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:42,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:42,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:42,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:35:42,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:35:42,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:35:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 10:35:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:35:42,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:35:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:35:42,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:35:42,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:35:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:35:42,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:35:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:35:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:35:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:35:42,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:35:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:35:42,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638273998] [2020-10-12 10:35:42,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:35:42,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 10:35:42,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339084800] [2020-10-12 10:35:42,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 10:35:42,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:35:42,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 10:35:42,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 10:35:42,279 INFO L87 Difference]: Start difference. First operand 465 states and 597 transitions. Second operand 8 states. [2020-10-12 10:35:59,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:35:59,926 INFO L93 Difference]: Finished difference Result 978 states and 1267 transitions. [2020-10-12 10:35:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 10:35:59,927 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-12 10:35:59,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:35:59,932 INFO L225 Difference]: With dead ends: 978 [2020-10-12 10:35:59,932 INFO L226 Difference]: Without dead ends: 532 [2020-10-12 10:35:59,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 10:35:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-12 10:36:00,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 467. [2020-10-12 10:36:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-12 10:36:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 599 transitions. [2020-10-12 10:36:00,030 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 599 transitions. Word has length 44 [2020-10-12 10:36:00,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:36:00,030 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 599 transitions. [2020-10-12 10:36:00,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 10:36:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 599 transitions. [2020-10-12 10:36:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 10:36:00,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:36:00,032 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:36:00,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 10:36:00,032 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:36:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:36:00,033 INFO L82 PathProgramCache]: Analyzing trace with hash 284989785, now seen corresponding path program 4 times [2020-10-12 10:36:00,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:36:00,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092905648] [2020-10-12 10:36:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:36:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:00,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:02,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:02,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 10:36:02,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2513 [2020-10-12 10:36:02,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 10:36:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:36:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:36:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:03,886 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:36:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:36:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:03,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:04,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:04,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:04,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:04,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 10:36:04,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:04,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:04,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:36:04,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:04,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:36:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 10:36:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 10:36:04,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 10:36:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:36:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:36:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:36:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:36:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:04,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:04,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:04,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:36:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:36:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:36:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:04,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 10:36:04,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:36:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:36:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:36:04,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092905648] [2020-10-12 10:36:04,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:36:04,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 10:36:04,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241755139] [2020-10-12 10:36:04,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 10:36:04,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:36:04,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 10:36:04,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-12 10:36:04,397 INFO L87 Difference]: Start difference. First operand 467 states and 599 transitions. Second operand 9 states. [2020-10-12 10:36:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:36:28,339 INFO L93 Difference]: Finished difference Result 980 states and 1269 transitions. [2020-10-12 10:36:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 10:36:28,341 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2020-10-12 10:36:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:36:28,345 INFO L225 Difference]: With dead ends: 980 [2020-10-12 10:36:28,345 INFO L226 Difference]: Without dead ends: 534 [2020-10-12 10:36:28,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-12 10:36:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-10-12 10:36:28,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 469. [2020-10-12 10:36:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-12 10:36:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 601 transitions. [2020-10-12 10:36:28,436 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 601 transitions. Word has length 46 [2020-10-12 10:36:28,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:36:28,436 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 601 transitions. [2020-10-12 10:36:28,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 10:36:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 601 transitions. [2020-10-12 10:36:28,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-12 10:36:28,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:36:28,437 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:36:28,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 10:36:28,438 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:36:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:36:28,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1017124297, now seen corresponding path program 5 times [2020-10-12 10:36:28,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:36:28,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306154946] [2020-10-12 10:36:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:36:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:32,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 10:36:32,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4061 [2020-10-12 10:36:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 10:36:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:36:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:36:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:36:33,842 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:36:33,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:36:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:33,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:33,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:33,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:33,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:33,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 10:36:33,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:33,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:36:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:33,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:36:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:34,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:34,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 10:36:34,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 10:36:34,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 10:36:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:36:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:36:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:34,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:36:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:34,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:34,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:34,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:34,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:36:34,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:36:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:34,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:36:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:34,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:36:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:36:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:36:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:36:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:36:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:36:34,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306154946] [2020-10-12 10:36:34,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:36:34,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 10:36:34,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322098801] [2020-10-12 10:36:34,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 10:36:34,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:36:34,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 10:36:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-12 10:36:34,251 INFO L87 Difference]: Start difference. First operand 469 states and 601 transitions. Second operand 10 states. [2020-10-12 10:36:59,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:36:59,561 INFO L93 Difference]: Finished difference Result 982 states and 1271 transitions. [2020-10-12 10:36:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 10:36:59,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-12 10:36:59,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:36:59,567 INFO L225 Difference]: With dead ends: 982 [2020-10-12 10:36:59,567 INFO L226 Difference]: Without dead ends: 536 [2020-10-12 10:36:59,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-12 10:36:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-10-12 10:36:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 471. [2020-10-12 10:36:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-12 10:36:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 603 transitions. [2020-10-12 10:36:59,692 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 603 transitions. Word has length 48 [2020-10-12 10:36:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:36:59,693 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 603 transitions. [2020-10-12 10:36:59,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 10:36:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 603 transitions. [2020-10-12 10:36:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-12 10:36:59,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:36:59,697 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:36:59,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 10:36:59,697 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:36:59,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:36:59,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1781693333, now seen corresponding path program 6 times [2020-10-12 10:36:59,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:36:59,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852459500] [2020-10-12 10:36:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:36:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:36:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:03,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3587 [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:37:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:37:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 10:37:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:04,881 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:37:04,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:37:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:05,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:05,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:05,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:05,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 10:37:05,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:05,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:37:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:05,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:05,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:05,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 10:37:05,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 10:37:05,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:37:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 10:37:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:37:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:05,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:05,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:05,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 10:37:05,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:05,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:05,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:37:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:37:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:05,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:05,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:05,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:05,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 10:37:05,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:37:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:05,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:37:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:37:05,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852459500] [2020-10-12 10:37:05,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:37:05,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 10:37:05,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224116383] [2020-10-12 10:37:05,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 10:37:05,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:37:05,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 10:37:05,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:37:05,464 INFO L87 Difference]: Start difference. First operand 471 states and 603 transitions. Second operand 11 states. [2020-10-12 10:37:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:37:15,266 INFO L93 Difference]: Finished difference Result 984 states and 1273 transitions. [2020-10-12 10:37:15,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 10:37:15,267 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-10-12 10:37:15,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:37:15,272 INFO L225 Difference]: With dead ends: 984 [2020-10-12 10:37:15,273 INFO L226 Difference]: Without dead ends: 538 [2020-10-12 10:37:15,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:37:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-12 10:37:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 473. [2020-10-12 10:37:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-12 10:37:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 605 transitions. [2020-10-12 10:37:15,355 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 605 transitions. Word has length 50 [2020-10-12 10:37:15,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:37:15,355 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 605 transitions. [2020-10-12 10:37:15,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 10:37:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 605 transitions. [2020-10-12 10:37:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-12 10:37:15,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:37:15,356 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:37:15,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 10:37:15,357 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:37:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:37:15,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1499058829, now seen corresponding path program 7 times [2020-10-12 10:37:15,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:37:15,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719352215] [2020-10-12 10:37:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:37:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:19,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:19,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 10:37:19,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:19,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4113 [2020-10-12 10:37:19,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:37:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:37:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 10:37:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:20,872 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:37:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:37:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:20,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:20,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:20,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 10:37:20,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:20,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:20,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:37:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:21,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:21,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:21,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 10:37:21,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:21,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 10:37:21,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:37:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:37:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 10:37:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:21,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:37:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:21,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:21,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:21,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:21,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:21,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:37:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:37:21,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:37:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:37:21,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719352215] [2020-10-12 10:37:21,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:37:21,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 10:37:21,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946909791] [2020-10-12 10:37:21,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 10:37:21,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:37:21,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 10:37:21,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-12 10:37:21,341 INFO L87 Difference]: Start difference. First operand 473 states and 605 transitions. Second operand 12 states. [2020-10-12 10:37:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:37:49,682 INFO L93 Difference]: Finished difference Result 986 states and 1275 transitions. [2020-10-12 10:37:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 10:37:49,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-12 10:37:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:37:49,687 INFO L225 Difference]: With dead ends: 986 [2020-10-12 10:37:49,687 INFO L226 Difference]: Without dead ends: 540 [2020-10-12 10:37:49,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-12 10:37:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-10-12 10:37:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 475. [2020-10-12 10:37:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-12 10:37:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 607 transitions. [2020-10-12 10:37:49,782 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 607 transitions. Word has length 52 [2020-10-12 10:37:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:37:49,782 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 607 transitions. [2020-10-12 10:37:49,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 10:37:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 607 transitions. [2020-10-12 10:37:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 10:37:49,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:37:49,784 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:37:49,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 10:37:49,784 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:37:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:37:49,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1795891247, now seen corresponding path program 8 times [2020-10-12 10:37:49,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:37:49,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288311605] [2020-10-12 10:37:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:37:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:49,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4586 [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:54,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:37:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 10:37:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:37:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:55,713 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-12 10:37:55,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:37:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:55,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:55,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 10:37:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:55,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:55,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 10:37:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 10:37:55,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:55,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:37:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 10:37:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:37:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 10:37:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:56,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:37:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:56,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:37:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:37:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:37:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:37:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:37:56,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:37:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:37:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:37:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:37:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 10:37:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:37:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:37:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 10:37:56,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288311605] [2020-10-12 10:37:56,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:37:56,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 10:37:56,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520085467] [2020-10-12 10:37:56,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 10:37:56,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:37:56,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 10:37:56,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-12 10:37:56,183 INFO L87 Difference]: Start difference. First operand 475 states and 607 transitions. Second operand 13 states.