/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:39:49,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:39:49,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:39:49,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:39:49,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:39:49,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:39:49,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:39:49,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:39:49,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:39:49,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:39:49,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:39:49,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:39:49,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:39:49,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:39:49,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:39:49,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:39:49,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:39:49,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:39:49,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:39:49,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:39:49,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:39:49,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:39:49,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:39:49,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:39:49,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:39:49,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:39:49,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:39:49,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:39:49,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:39:49,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:39:49,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:39:49,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:39:49,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:39:49,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:39:49,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:39:49,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:39:49,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:39:49,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:39:49,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:39:49,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:39:49,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:39:49,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 16:39:50,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:39:50,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:39:50,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:39:50,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:39:50,011 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:39:50,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:39:50,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:39:50,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:39:50,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:39:50,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:39:50,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:39:50,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:39:50,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:39:50,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:39:50,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:39:50,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:39:50,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:39:50,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:39:50,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:50,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:39:50,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:39:50,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:39:50,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:39:50,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:39:50,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:39:50,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:39:50,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:39:50,020 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:39:50,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:39:50,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:39:50,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:39:50,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:39:50,493 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:39:50,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 16:39:50,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d44986888/8db8e253302c4eb0a412ce155d6e1bce/FLAGaa4e5db4a [2020-09-24 16:39:51,445 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:39:51,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 16:39:51,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d44986888/8db8e253302c4eb0a412ce155d6e1bce/FLAGaa4e5db4a [2020-09-24 16:39:51,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d44986888/8db8e253302c4eb0a412ce155d6e1bce [2020-09-24 16:39:51,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:39:51,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:39:51,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:51,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:39:51,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:39:51,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62098bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:51, skipping insertion in model container [2020-09-24 16:39:51,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:51" (1/1) ... [2020-09-24 16:39:51,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:39:52,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:39:52,734 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 16:39:52,735 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 16:39:53,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:53,464 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:39:53,540 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 16:39:53,541 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 16:39:53,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:53,928 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:39:53,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53 WrapperNode [2020-09-24 16:39:53,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:53,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:39:53,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:39:53,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:39:53,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:53,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... [2020-09-24 16:39:54,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:39:54,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:39:54,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:39:54,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:39:54,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:39:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:39:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:39:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 16:39:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 16:39:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 16:39:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-24 16:39:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-24 16:39:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-24 16:39:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-24 16:39:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 16:39:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 16:39:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 16:39:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 16:39:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 16:39:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 16:39:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 16:39:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:39:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 16:39:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 16:39:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 16:39:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 16:39:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 16:39:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-24 16:39:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-24 16:39:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-24 16:39:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-24 16:39:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-24 16:39:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-24 16:39:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-24 16:39:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-24 16:39:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-24 16:39:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-24 16:39:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-24 16:39:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-24 16:39:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-24 16:39:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-24 16:39:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-24 16:39:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-24 16:39:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-24 16:39:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-24 16:39:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-24 16:39:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 16:39:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 16:39:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 16:39:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 16:39:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 16:39:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-24 16:39:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-24 16:39:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-24 16:39:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 16:39:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-24 16:39:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 16:39:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 16:39:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:39:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 16:39:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:39:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 16:39:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 16:39:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-24 16:39:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-24 16:39:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 16:39:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 16:39:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 16:39:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 16:39:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 16:39:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 16:39:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 16:39:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 16:39:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:39:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 16:39:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 16:39:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 16:39:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:39:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:39:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:39:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 16:39:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:39:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:39:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 16:39:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:39:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 16:39:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 16:39:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 16:39:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-24 16:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 16:39:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 16:39:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-24 16:39:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-24 16:39:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-24 16:39:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-24 16:39:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-24 16:39:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-24 16:39:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 16:39:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-24 16:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-24 16:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-24 16:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-24 16:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-24 16:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 16:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 16:39:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 16:39:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:39:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:39:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:39:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:39:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:39:55,364 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 16:39:57,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:39:57,702 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 16:39:57,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:57 BoogieIcfgContainer [2020-09-24 16:39:57,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:39:57,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:39:57,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:39:57,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:39:57,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:39:51" (1/3) ... [2020-09-24 16:39:57,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1593eca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:57, skipping insertion in model container [2020-09-24 16:39:57,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:53" (2/3) ... [2020-09-24 16:39:57,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1593eca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:57, skipping insertion in model container [2020-09-24 16:39:57,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:57" (3/3) ... [2020-09-24 16:39:57,724 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 16:39:57,737 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:39:57,749 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:39:57,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:39:57,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:39:57,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:39:57,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:39:57,810 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:39:57,810 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:39:57,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:39:57,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:39:57,811 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:39:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-24 16:39:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-24 16:39:57,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:57,887 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:39:57,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:57,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:57,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-24 16:39:57,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:57,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154946406] [2020-09-24 16:39:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:58,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:58,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:58,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:58,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:58,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 16:39:58,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:58,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 16:39:58,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:58,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:58,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 16:39:58,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:39:58,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:59,156 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 16:39:59,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:59,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:59,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:59,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:59,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 16:39:59,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:59,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:39:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:59,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:59,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:59,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:59,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:59,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:39:59,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:59,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:59,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:59,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 16:39:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:59,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:59,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:59,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:59,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:59,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:39:59,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:59,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:59,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154946406] [2020-09-24 16:39:59,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:59,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 16:39:59,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428096332] [2020-09-24 16:39:59,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 16:39:59,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:59,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 16:39:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:39:59,585 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-24 16:40:01,209 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 16:40:13,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:13,400 INFO L93 Difference]: Finished difference Result 3999 states and 4517 transitions. [2020-09-24 16:40:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:40:13,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-24 16:40:13,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:13,452 INFO L225 Difference]: With dead ends: 3999 [2020-09-24 16:40:13,452 INFO L226 Difference]: Without dead ends: 2155 [2020-09-24 16:40:13,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:40:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-09-24 16:40:13,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2105. [2020-09-24 16:40:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2020-09-24 16:40:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2341 transitions. [2020-09-24 16:40:13,752 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2341 transitions. Word has length 260 [2020-09-24 16:40:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:13,754 INFO L479 AbstractCegarLoop]: Abstraction has 2105 states and 2341 transitions. [2020-09-24 16:40:13,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 16:40:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2341 transitions. [2020-09-24 16:40:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-24 16:40:13,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:13,764 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 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, 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] [2020-09-24 16:40:13,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:40:13,765 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:13,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:13,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-24 16:40:13,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:13,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103864768] [2020-09-24 16:40:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:13,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:13,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:13,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:13,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:13,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 16:40:13,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:13,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:40:13,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-24 16:40:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:40:13,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,529 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 16:40:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 16:40:14,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:14,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:40:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:14,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:14,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 16:40:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 16:40:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 16:40:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:14,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 16:40:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:40:14,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 16:40:14,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 16:40:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:40:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 16:40:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:14,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 16:40:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 16:40:14,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 16:40:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:14,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:14,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:14,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:14,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:14,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:14,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:14,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:14,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 16:40:15,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103864768] [2020-09-24 16:40:15,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:15,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:40:15,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045566784] [2020-09-24 16:40:15,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:40:15,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:15,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:40:15,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:40:15,167 INFO L87 Difference]: Start difference. First operand 2105 states and 2341 transitions. Second operand 7 states. [2020-09-24 16:40:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:28,771 INFO L93 Difference]: Finished difference Result 4106 states and 4610 transitions. [2020-09-24 16:40:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:40:28,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-09-24 16:40:28,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:28,786 INFO L225 Difference]: With dead ends: 4106 [2020-09-24 16:40:28,786 INFO L226 Difference]: Without dead ends: 2247 [2020-09-24 16:40:28,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:40:28,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2020-09-24 16:40:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2109. [2020-09-24 16:40:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2020-09-24 16:40:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2347 transitions. [2020-09-24 16:40:28,943 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2347 transitions. Word has length 333 [2020-09-24 16:40:28,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:28,944 INFO L479 AbstractCegarLoop]: Abstraction has 2109 states and 2347 transitions. [2020-09-24 16:40:28,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:40:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2347 transitions. [2020-09-24 16:40:28,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-24 16:40:28,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:28,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 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, 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] [2020-09-24 16:40:28,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:40:28,952 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:28,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:28,953 INFO L82 PathProgramCache]: Analyzing trace with hash 324339580, now seen corresponding path program 1 times [2020-09-24 16:40:28,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:28,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68051145] [2020-09-24 16:40:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-09-24 16:40:29,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:29,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-24 16:40:29,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:29,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,708 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 16:40:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 16:40:29,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:29,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:29,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:29,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:40:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:29,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:29,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 16:40:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:29,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:29,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:29,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 16:40:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 16:40:29,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:29,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 16:40:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:40:29,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:29,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:40:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 16:40:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:40:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:29,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:29,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:29,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:29,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:29,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:29,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:30,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-24 16:40:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:30,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:30,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:30,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 16:40:30,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:30,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 16:40:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:30,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:30,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:30,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:30,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:30,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 16:40:30,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68051145] [2020-09-24 16:40:30,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:40:30,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 16:40:30,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838022170] [2020-09-24 16:40:30,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:40:30,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:30,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:40:30,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:40:30,289 INFO L87 Difference]: Start difference. First operand 2109 states and 2347 transitions. Second operand 8 states. [2020-09-24 16:40:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:40,912 INFO L93 Difference]: Finished difference Result 4204 states and 4724 transitions. [2020-09-24 16:40:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:40:40,913 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2020-09-24 16:40:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:40,925 INFO L225 Difference]: With dead ends: 4204 [2020-09-24 16:40:40,925 INFO L226 Difference]: Without dead ends: 2341 [2020-09-24 16:40:40,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:40:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2020-09-24 16:40:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 2203. [2020-09-24 16:40:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2203 states. [2020-09-24 16:40:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2455 transitions. [2020-09-24 16:40:41,080 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2455 transitions. Word has length 336 [2020-09-24 16:40:41,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:41,080 INFO L479 AbstractCegarLoop]: Abstraction has 2203 states and 2455 transitions. [2020-09-24 16:40:41,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:40:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2455 transitions. [2020-09-24 16:40:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-09-24 16:40:41,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:41,087 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 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, 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] [2020-09-24 16:40:41,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:40:41,087 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:41,088 INFO L82 PathProgramCache]: Analyzing trace with hash -851324938, now seen corresponding path program 2 times [2020-09-24 16:40:41,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:41,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582819195] [2020-09-24 16:40:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:41,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:41,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:41,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:41,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:41,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-24 16:40:41,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:40:41,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 308 [2020-09-24 16:40:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 16:40:41,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:41,916 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 16:40:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:41,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:41,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:41,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 16:40:41,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:41,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 16:40:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 16:40:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:40:42,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 16:40:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 16:40:42,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 16:40:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:42,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-24 16:40:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 16:40:42,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:42,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:40:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:42,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:42,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:42,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:42,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:42,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 16:40:42,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:42,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:42,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 16:40:42,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582819195] [2020-09-24 16:40:42,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:42,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:40:42,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614173101] [2020-09-24 16:40:42,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:40:42,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:42,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:40:42,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:40:42,333 INFO L87 Difference]: Start difference. First operand 2203 states and 2455 transitions. Second operand 7 states. [2020-09-24 16:40:43,449 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 264