/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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 23:26:02,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:26:02,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:26:02,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:26:02,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:26:02,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:26:02,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:26:02,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:26:02,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:26:02,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:26:02,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:26:02,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:26:02,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:26:02,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:26:02,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:26:02,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:26:02,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:26:02,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:26:02,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:26:02,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:26:02,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:26:02,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:26:02,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:26:02,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:26:02,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:26:02,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:26:02,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:26:02,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:26:02,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:26:02,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:26:02,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:26:02,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:26:02,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:26:02,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:26:02,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:26:02,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:26:02,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:26:02,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:26:02,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:26:02,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:26:02,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:26:02,745 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 23:26:02,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:26:02,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:26:02,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:26:02,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:26:02,796 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:26:02,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:26:02,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:26:02,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:26:02,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:26:02,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:26:02,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:26:02,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:26:02,799 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:26:02,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:26:02,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:26:02,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:26:02,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:26:02,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:26:02,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:26:02,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:26:02,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:26:02,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:26:02,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:26:02,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:26:02,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:26:02,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:26:02,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:26:02,803 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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:26:03,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:26:03,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:26:03,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:26:03,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:26:03,253 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:26:03,255 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 23:26:03,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb8b70725/5bb3a9e1c87d4ed2a9246e50ff4bc7ec/FLAGb09608aca [2020-09-24 23:26:04,149 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:26:04,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 23:26:04,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb8b70725/5bb3a9e1c87d4ed2a9246e50ff4bc7ec/FLAGb09608aca [2020-09-24 23:26:04,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb8b70725/5bb3a9e1c87d4ed2a9246e50ff4bc7ec [2020-09-24 23:26:04,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:26:04,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:26:04,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:04,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:26:04,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:26:04,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:04" (1/1) ... [2020-09-24 23:26:04,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb2c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:04, skipping insertion in model container [2020-09-24 23:26:04,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:04" (1/1) ... [2020-09-24 23:26:04,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:26:04,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:26:04,900 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 23:26:04,901 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 23:26:05,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:05,505 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:26:05,635 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 23:26:05,635 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 23:26:05,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:05,907 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:26:05,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05 WrapperNode [2020-09-24 23:26:05,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:05,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:26:05,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:26:05,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:26:05,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:05,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (1/1) ... [2020-09-24 23:26:06,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:26:06,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:26:06,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:26:06,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:26:06,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (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 23:26:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:26:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:26:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 23:26:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 23:26:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 23:26:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 23:26:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-24 23:26:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-24 23:26:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-24 23:26:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-24 23:26:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 23:26:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 23:26:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 23:26:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 23:26:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 23:26:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 23:26:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 23:26:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 23:26:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 23:26:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 23:26:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 23:26:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-24 23:26:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-24 23:26:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-24 23:26:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-24 23:26:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-24 23:26:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 23:26:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 23:26:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-24 23:26:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-24 23:26:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 23:26:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 23:26:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:26:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-24 23:26:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-24 23:26:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 23:26:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 23:26:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 23:26:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:26:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 23:26:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 23:26:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-24 23:26:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-24 23:26:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-24 23:26:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 23:26:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-24 23:26:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-24 23:26:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-24 23:26:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:26:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 23:26:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 23:26:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:26:07,081 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 23:26:09,181 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:26:09,182 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 23:26:09,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:09 BoogieIcfgContainer [2020-09-24 23:26:09,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:26:09,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:26:09,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:26:09,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:26:09,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:26:04" (1/3) ... [2020-09-24 23:26:09,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558bbdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:09, skipping insertion in model container [2020-09-24 23:26:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:05" (2/3) ... [2020-09-24 23:26:09,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558bbdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:09, skipping insertion in model container [2020-09-24 23:26:09,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:09" (3/3) ... [2020-09-24 23:26:09,214 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 23:26:09,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:26:09,243 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:26:09,273 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:26:09,316 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:26:09,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:26:09,317 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:26:09,317 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:26:09,317 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:26:09,317 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:26:09,317 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:26:09,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:26:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-24 23:26:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-24 23:26:09,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:09,405 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 23:26:09,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:09,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:09,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-24 23:26:09,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:09,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230215440] [2020-09-24 23:26:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:11,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:12,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 23:26:12,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:26:12,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2126 [2020-09-24 23:26:12,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 23:26:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:26:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 23:26:13,096 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 23:26:13,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 23:26:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-24 23:26:13,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:26:13,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 23:26:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:13,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:13,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:13,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:26:13,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:13,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:13,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 23:26:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:13,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:13,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:13,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:26:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:13,863 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 23:26:13,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230215440] [2020-09-24 23:26:13,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:13,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:26:13,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725561656] [2020-09-24 23:26:13,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:26:13,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:13,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:26:13,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:26:13,895 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-24 23:26:15,321 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 23:26:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:26,377 INFO L93 Difference]: Finished difference Result 4037 states and 4573 transitions. [2020-09-24 23:26:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:26:26,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-24 23:26:26,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:26,420 INFO L225 Difference]: With dead ends: 4037 [2020-09-24 23:26:26,421 INFO L226 Difference]: Without dead ends: 2191 [2020-09-24 23:26:26,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:26:26,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2020-09-24 23:26:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2123. [2020-09-24 23:26:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2020-09-24 23:26:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2364 transitions. [2020-09-24 23:26:26,733 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2364 transitions. Word has length 260 [2020-09-24 23:26:26,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:26,734 INFO L479 AbstractCegarLoop]: Abstraction has 2123 states and 2364 transitions. [2020-09-24 23:26:26,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:26:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2364 transitions. [2020-09-24 23:26:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-24 23:26:26,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:26,752 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 23:26:26,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:26:26,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:26,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:26,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-24 23:26:26,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:26,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398272970] [2020-09-24 23:26:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:29,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 23:26:29,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:26:29,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2805 [2020-09-24 23:26:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-09-24 23:26:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 23:26:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,326 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 23:26:30,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 23:26:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-24 23:26:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:30,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 23:26:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:30,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:26:30,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 23:26:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:30,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 23:26:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 23:26:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 23:26:30,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 23:26:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 23:26:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:26:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:30,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:30,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:30,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:26:30,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:26:30,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 23:26:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:26:30,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 23:26:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:31,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:26:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 23:26:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:26:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 23:26:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:31,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:31,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:31,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 23:26:31,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:31,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 23:26:31,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:31,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:26:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:31,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:31,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:31,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:31,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 23:26:31,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:31,434 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 23:26:31,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398272970] [2020-09-24 23:26:31,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:31,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:26:31,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785181307] [2020-09-24 23:26:31,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:26:31,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:31,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:26:31,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:26:31,444 INFO L87 Difference]: Start difference. First operand 2123 states and 2364 transitions. Second operand 8 states. [2020-09-24 23:26:32,376 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 23:26:40,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:40,822 INFO L93 Difference]: Finished difference Result 4339 states and 4891 transitions. [2020-09-24 23:26:40,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 23:26:40,823 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-09-24 23:26:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:40,839 INFO L225 Difference]: With dead ends: 4339 [2020-09-24 23:26:40,840 INFO L226 Difference]: Without dead ends: 2462 [2020-09-24 23:26:40,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-24 23:26:40,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2020-09-24 23:26:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2259. [2020-09-24 23:26:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2020-09-24 23:26:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2523 transitions. [2020-09-24 23:26:41,017 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2523 transitions. Word has length 333 [2020-09-24 23:26:41,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:41,018 INFO L479 AbstractCegarLoop]: Abstraction has 2259 states and 2523 transitions. [2020-09-24 23:26:41,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:26:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2523 transitions. [2020-09-24 23:26:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-09-24 23:26:41,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:41,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:26:41,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:26:41,027 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:41,028 INFO L82 PathProgramCache]: Analyzing trace with hash -556497650, now seen corresponding path program 1 times [2020-09-24 23:26:41,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:41,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834635227] [2020-09-24 23:26:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:42,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:43,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-09-24 23:26:43,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2429 [2020-09-24 23:26:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-24 23:26:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:26:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,064 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 23:26:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 23:26:44,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 23:26:44,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 23:26:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:44,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:26:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 23:26:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:44,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:26:44,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 23:26:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 23:26:44,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 23:26:44,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 23:26:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:26:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:44,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:26:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 23:26:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 23:26:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 23:26:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 23:26:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 23:26:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:26:44,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:26:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-24 23:26:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 23:26:44,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 23:26:44,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 23:26:44,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 23:26:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:26:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-09-24 23:26:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:44,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:44,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:44,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:44,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:44,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 23:26:44,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 23:26:45,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834635227] [2020-09-24 23:26:45,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 23:26:45,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 23:26:45,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8233703] [2020-09-24 23:26:45,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:26:45,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:45,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:26:45,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:26:45,080 INFO L87 Difference]: Start difference. First operand 2259 states and 2523 transitions. Second operand 8 states.