/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 15:42:16,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 15:42:16,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 15:42:16,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 15:42:16,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 15:42:16,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 15:42:16,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 15:42:16,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 15:42:16,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 15:42:16,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 15:42:16,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 15:42:16,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 15:42:16,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 15:42:16,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 15:42:16,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 15:42:16,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 15:42:16,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 15:42:16,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 15:42:16,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 15:42:16,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 15:42:16,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 15:42:16,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 15:42:16,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 15:42:16,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 15:42:16,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 15:42:16,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 15:42:16,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 15:42:16,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 15:42:16,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 15:42:16,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 15:42:16,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 15:42:16,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 15:42:16,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 15:42:16,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 15:42:16,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 15:42:16,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 15:42:16,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 15:42:16,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 15:42:16,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 15:42:16,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 15:42:16,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 15:42:16,378 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 [2020-10-14 15:42:16,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 15:42:16,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 15:42:16,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 15:42:16,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 15:42:16,403 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 15:42:16,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 15:42:16,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 15:42:16,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 15:42:16,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 15:42:16,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 15:42:16,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 15:42:16,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 15:42:16,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 15:42:16,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 15:42:16,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 15:42:16,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 15:42:16,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 15:42:16,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 15:42:16,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 15:42:16,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 15:42:16,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 15:42:16,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 15:42:16,408 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 15:42:16,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 15:42:16,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 15:42:16,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 15:42:16,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 15:42:16,713 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 15:42:16,714 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2020-10-14 15:42:16,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3493aa7b5/8bcc0451a61a4516b9a902b8323e4a93/FLAG5ceb88704 [2020-10-14 15:42:17,427 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 15:42:17,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2020-10-14 15:42:17,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3493aa7b5/8bcc0451a61a4516b9a902b8323e4a93/FLAG5ceb88704 [2020-10-14 15:42:17,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3493aa7b5/8bcc0451a61a4516b9a902b8323e4a93 [2020-10-14 15:42:17,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 15:42:17,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 15:42:17,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 15:42:17,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 15:42:17,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 15:42:17,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:42:17" (1/1) ... [2020-10-14 15:42:17,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508fde21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:17, skipping insertion in model container [2020-10-14 15:42:17,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:42:17" (1/1) ... [2020-10-14 15:42:17,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 15:42:17,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 15:42:18,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 15:42:18,544 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 15:42:18,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 15:42:18,745 INFO L208 MainTranslator]: Completed translation [2020-10-14 15:42:18,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18 WrapperNode [2020-10-14 15:42:18,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 15:42:18,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 15:42:18,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 15:42:18,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 15:42:18,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... [2020-10-14 15:42:18,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 15:42:18,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 15:42:18,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 15:42:18,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 15:42:18,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 15:42:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 15:42:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 15:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 15:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 15:42:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 15:42:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 15:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 15:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 15:42:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 15:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-14 15:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-14 15:42:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 15:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 15:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 15:42:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 15:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 15:42:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-14 15:42:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-14 15:42:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-14 15:42:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_put [2020-10-14 15:42:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2020-10-14 15:42:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2020-10-14 15:42:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_poll [2020-10-14 15:42:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_probe [2020-10-14 15:42:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_remove [2020-10-14 15:42:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_driver_init [2020-10-14 15:42:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_interrupt_trigger_driver_exit [2020-10-14 15:42:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-14 15:42:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-14 15:42:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-14 15:42:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_2 [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_2 [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2020-10-14 15:42:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_6 [2020-10-14 15:42:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_7 [2020-10-14 15:42:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_8 [2020-10-14 15:42:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_9 [2020-10-14 15:42:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_10 [2020-10-14 15:42:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_11 [2020-10-14 15:42:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 15:42:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 15:42:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 15:42:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 15:42:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 15:42:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-14 15:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-14 15:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-14 15:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-14 15:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-14 15:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 15:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2020-10-14 15:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 15:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-14 15:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_alloc [2020-10-14 15:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2020-10-14 15:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2020-10-14 15:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2020-10-14 15:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 15:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-14 15:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-10-14 15:42:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2020-10-14 15:42:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-14 15:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 15:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 15:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 15:42:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 15:42:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 15:42:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_6 [2020-10-14 15:42:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2020-10-14 15:42:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-14 15:42:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-14 15:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 15:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 15:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 15:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 15:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 15:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 15:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 15:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 15:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 15:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 15:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 15:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 15:42:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 15:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 15:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-14 15:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-14 15:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 15:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 15:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 15:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 15:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-14 15:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-14 15:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-14 15:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-14 15:42:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_2 [2020-10-14 15:42:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_2 [2020-10-14 15:42:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-14 15:42:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 15:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 15:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 15:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 15:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2020-10-14 15:42:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 15:42:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-10-14 15:42:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2020-10-14 15:42:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_10 [2020-10-14 15:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-14 15:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_11 [2020-10-14 15:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-14 15:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-14 15:42:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-14 15:42:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-14 15:42:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_7 [2020-10-14 15:42:19,030 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-14 15:42:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_8 [2020-10-14 15:42:19,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_9 [2020-10-14 15:42:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_put [2020-10-14 15:42:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2020-10-14 15:42:19,032 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2020-10-14 15:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2020-10-14 15:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2020-10-14 15:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2020-10-14 15:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_alloc [2020-10-14 15:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_poll [2020-10-14 15:42:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_probe [2020-10-14 15:42:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 15:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 15:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 15:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_remove [2020-10-14 15:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_driver_init [2020-10-14 15:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure iio_interrupt_trigger_driver_exit [2020-10-14 15:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 15:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 15:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 15:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 15:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 15:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 15:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 15:42:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 15:42:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 15:42:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-14 15:42:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-14 15:42:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-14 15:42:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 15:42:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 15:42:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 15:42:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 15:42:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 15:42:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 15:42:20,114 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 15:42:20,133 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-14 15:42:20,461 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 15:42:20,461 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 15:42:20,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:42:20 BoogieIcfgContainer [2020-10-14 15:42:20,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 15:42:20,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 15:42:20,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 15:42:20,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 15:42:20,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:42:17" (1/3) ... [2020-10-14 15:42:20,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdde616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:42:20, skipping insertion in model container [2020-10-14 15:42:20,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:42:18" (2/3) ... [2020-10-14 15:42:20,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdde616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:42:20, skipping insertion in model container [2020-10-14 15:42:20,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:42:20" (3/3) ... [2020-10-14 15:42:20,476 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2020-10-14 15:42:20,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 15:42:20,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 15:42:20,509 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 15:42:20,533 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 15:42:20,533 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 15:42:20,533 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 15:42:20,534 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 15:42:20,534 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 15:42:20,534 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 15:42:20,534 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 15:42:20,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 15:42:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states. [2020-10-14 15:42:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-14 15:42:20,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:20,572 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] [2020-10-14 15:42:20,573 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:20,579 INFO L82 PathProgramCache]: Analyzing trace with hash -607093699, now seen corresponding path program 1 times [2020-10-14 15:42:20,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:20,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630763133] [2020-10-14 15:42:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:20,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:21,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:21,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 15:42:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 15:42:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 690 [2020-10-14 15:42:21,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:21,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 15:42:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 15:42:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 15:42:21,829 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 15:42:21,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:21,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:21,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 15:42:21,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:21,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:21,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:21,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 15:42:21,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 15:42:21,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:21,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:21,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 15:42:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:21,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:21,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:21,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 15:42:21,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 15:42:21,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:21,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 15:42:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:21,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:22,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 15:42:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 15:42:22,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:22,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:22,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:22,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:22,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:22,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:22,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:22,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:22,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:22,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:22,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 15:42:22,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630763133] [2020-10-14 15:42:22,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 15:42:22,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 15:42:22,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411569806] [2020-10-14 15:42:22,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 15:42:22,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 15:42:22,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 15:42:22,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 15:42:22,100 INFO L87 Difference]: Start difference. First operand 333 states. Second operand 5 states. [2020-10-14 15:42:22,352 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 15:42:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 15:42:26,261 INFO L93 Difference]: Finished difference Result 995 states and 1274 transitions. [2020-10-14 15:42:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 15:42:26,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-14 15:42:26,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 15:42:26,292 INFO L225 Difference]: With dead ends: 995 [2020-10-14 15:42:26,292 INFO L226 Difference]: Without dead ends: 671 [2020-10-14 15:42:26,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 15:42:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-10-14 15:42:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 538. [2020-10-14 15:42:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-14 15:42:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 648 transitions. [2020-10-14 15:42:26,461 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 648 transitions. Word has length 33 [2020-10-14 15:42:26,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 15:42:26,462 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 648 transitions. [2020-10-14 15:42:26,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 15:42:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 648 transitions. [2020-10-14 15:42:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 15:42:26,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:26,469 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] [2020-10-14 15:42:26,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 15:42:26,470 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:26,470 INFO L82 PathProgramCache]: Analyzing trace with hash -803906483, now seen corresponding path program 1 times [2020-10-14 15:42:26,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:26,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969621844] [2020-10-14 15:42:26,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:26,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 15:42:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 15:42:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 15:42:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 15:42:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 15:42:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,298 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 15:42:27,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 15:42:27,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 15:42:27,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:27,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 15:42:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 15:42:27,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 15:42:27,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 15:42:27,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 15:42:27,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:27,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:27,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 15:42:27,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 15:42:27,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 15:42:27,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 15:42:27,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:27,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 15:42:27,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:27,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:27,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:27,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:27,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:27,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 15:42:27,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969621844] [2020-10-14 15:42:27,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 15:42:27,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 15:42:27,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830861243] [2020-10-14 15:42:27,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 15:42:27,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 15:42:27,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 15:42:27,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 15:42:27,772 INFO L87 Difference]: Start difference. First operand 538 states and 648 transitions. Second operand 8 states. [2020-10-14 15:42:27,923 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 15:42:28,119 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 15:42:28,861 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 15:42:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 15:42:30,609 INFO L93 Difference]: Finished difference Result 758 states and 972 transitions. [2020-10-14 15:42:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 15:42:30,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 15:42:30,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 15:42:30,620 INFO L225 Difference]: With dead ends: 758 [2020-10-14 15:42:30,620 INFO L226 Difference]: Without dead ends: 753 [2020-10-14 15:42:30,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-14 15:42:30,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-10-14 15:42:30,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 538. [2020-10-14 15:42:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-14 15:42:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 647 transitions. [2020-10-14 15:42:30,708 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 647 transitions. Word has length 59 [2020-10-14 15:42:30,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 15:42:30,709 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 647 transitions. [2020-10-14 15:42:30,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 15:42:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 647 transitions. [2020-10-14 15:42:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 15:42:30,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:30,713 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] [2020-10-14 15:42:30,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 15:42:30,713 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash -746648181, now seen corresponding path program 1 times [2020-10-14 15:42:30,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:30,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487376350] [2020-10-14 15:42:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:30,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:30,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 15:42:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:30,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-14 15:42:30,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:30,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 15:42:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 15:42:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 15:42:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 40 [2020-10-14 15:42:31,219 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 15:42:31,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:31,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 15:42:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 15:42:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 15:42:31,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 15:42:31,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 15:42:31,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 15:42:31,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 15:42:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 15:42:31,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 15:42:31,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 15:42:31,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 15:42:31,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 15:42:31,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 15:42:31,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:31,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 15:42:31,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 15:42:31,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 15:42:31,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 15:42:31,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 15:42:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:31,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:31,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:31,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:31,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 15:42:31,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:31,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:31,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:31,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 15:42:31,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487376350] [2020-10-14 15:42:31,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 15:42:31,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 15:42:31,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079246373] [2020-10-14 15:42:31,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 15:42:31,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 15:42:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 15:42:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 15:42:31,695 INFO L87 Difference]: Start difference. First operand 538 states and 647 transitions. Second operand 8 states. [2020-10-14 15:42:31,835 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 15:42:32,016 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 15:42:32,662 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 15:42:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 15:42:34,365 INFO L93 Difference]: Finished difference Result 1251 states and 1589 transitions. [2020-10-14 15:42:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 15:42:34,367 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 15:42:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 15:42:34,377 INFO L225 Difference]: With dead ends: 1251 [2020-10-14 15:42:34,378 INFO L226 Difference]: Without dead ends: 708 [2020-10-14 15:42:34,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-14 15:42:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-10-14 15:42:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 519. [2020-10-14 15:42:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-10-14 15:42:34,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 624 transitions. [2020-10-14 15:42:34,485 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 624 transitions. Word has length 59 [2020-10-14 15:42:34,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 15:42:34,486 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 624 transitions. [2020-10-14 15:42:34,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 15:42:34,487 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 624 transitions. [2020-10-14 15:42:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 15:42:34,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:34,492 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 15:42:34,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 15:42:34,492 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:34,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:34,493 INFO L82 PathProgramCache]: Analyzing trace with hash 683097113, now seen corresponding path program 1 times [2020-10-14 15:42:34,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:34,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498192799] [2020-10-14 15:42:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:35,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:35,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-14 15:42:35,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 15:42:35,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-14 15:42:35,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:35,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 15:42:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 15:42:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 15:42:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,028 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 15:42:36,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:36,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 15:42:36,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 15:42:36,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 15:42:36,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 15:42:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 15:42:36,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 15:42:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 15:42:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:36,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 15:42:36,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 15:42:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 15:42:36,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 15:42:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 15:42:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 15:42:36,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 15:42:36,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 15:42:36,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 15:42:36,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:36,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 15:42:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:36,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:36,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 15:42:36,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498192799] [2020-10-14 15:42:36,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 15:42:36,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 15:42:36,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694796525] [2020-10-14 15:42:36,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 15:42:36,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 15:42:36,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 15:42:36,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 15:42:36,268 INFO L87 Difference]: Start difference. First operand 519 states and 624 transitions. Second operand 5 states. [2020-10-14 15:42:36,433 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 15:42:38,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 15:42:38,678 INFO L93 Difference]: Finished difference Result 1331 states and 1672 transitions. [2020-10-14 15:42:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 15:42:38,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-14 15:42:38,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 15:42:38,686 INFO L225 Difference]: With dead ends: 1331 [2020-10-14 15:42:38,686 INFO L226 Difference]: Without dead ends: 822 [2020-10-14 15:42:38,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 15:42:38,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-10-14 15:42:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 578. [2020-10-14 15:42:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-10-14 15:42:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 704 transitions. [2020-10-14 15:42:38,768 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 704 transitions. Word has length 64 [2020-10-14 15:42:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 15:42:38,768 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 704 transitions. [2020-10-14 15:42:38,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 15:42:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 704 transitions. [2020-10-14 15:42:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 15:42:38,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:38,774 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 15:42:38,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 15:42:38,775 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1496753609, now seen corresponding path program 1 times [2020-10-14 15:42:38,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:38,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930217470] [2020-10-14 15:42:38,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:38,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 15:42:39,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-14 15:42:39,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 15:42:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 15:42:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 15:42:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,641 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 15:42:39,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 15:42:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:39,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 15:42:39,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 15:42:39,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 15:42:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-14 15:42:39,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 15:42:39,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 15:42:39,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 15:42:39,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:39,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 15:42:39,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 15:42:39,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 15:42:39,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 15:42:39,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 15:42:39,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:39,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:39,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:39,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 15:42:39,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:39,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 15:42:39,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:39,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 15:42:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:40,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 15:42:40,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 15:42:40,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 15:42:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 15:42:40,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 15:42:40,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 15:42:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 15:42:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 15:42:40,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 15:42:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 15:42:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 15:42:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 15:42:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 15:42:40,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 15:42:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 15:42:40,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 15:42:40,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 15:42:40,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 15:42:40,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 15:42:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 15:42:40,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 15:42:40,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 15:42:40,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 15:42:40,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 15:42:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 15:42:40,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 15:42:40,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 15:42:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 15:42:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 15:42:40,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 15:42:40,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 15:42:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 15:42:40,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930217470] [2020-10-14 15:42:40,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 15:42:40,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 15:42:40,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061277681] [2020-10-14 15:42:40,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 15:42:40,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 15:42:40,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 15:42:40,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-14 15:42:40,338 INFO L87 Difference]: Start difference. First operand 578 states and 704 transitions. Second operand 13 states. [2020-10-14 15:42:40,486 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 15:42:41,438 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 15:42:41,686 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 15:42:41,886 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 15:42:42,154 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-14 15:42:42,352 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-14 15:42:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 15:42:44,117 INFO L93 Difference]: Finished difference Result 1264 states and 1551 transitions. [2020-10-14 15:42:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 15:42:44,117 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-14 15:42:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 15:42:44,122 INFO L225 Difference]: With dead ends: 1264 [2020-10-14 15:42:44,122 INFO L226 Difference]: Without dead ends: 696 [2020-10-14 15:42:44,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 15:42:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-14 15:42:44,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 592. [2020-10-14 15:42:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-14 15:42:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 720 transitions. [2020-10-14 15:42:44,200 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 720 transitions. Word has length 109 [2020-10-14 15:42:44,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 15:42:44,203 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 720 transitions. [2020-10-14 15:42:44,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 15:42:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 720 transitions. [2020-10-14 15:42:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 15:42:44,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 15:42:44,210 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 15:42:44,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 15:42:44,210 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 15:42:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 15:42:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1863771582, now seen corresponding path program 1 times [2020-10-14 15:42:44,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 15:42:44,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313866999] [2020-10-14 15:42:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 15:42:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 15:42:44,290 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 15:42:44,290 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 15:42:44,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 15:42:44,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:42:44 BoogieIcfgContainer [2020-10-14 15:42:44,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 15:42:44,348 INFO L168 Benchmark]: Toolchain (without parser) took 26793.94 ms. Allocated memory was 146.8 MB in the beginning and 624.4 MB in the end (delta: 477.6 MB). Free memory was 99.1 MB in the beginning and 120.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 456.7 MB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,349 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1191.93 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 98.7 MB in the beginning and 139.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,355 INFO L168 Benchmark]: Boogie Preprocessor took 140.95 ms. Allocated memory is still 206.0 MB. Free memory was 139.4 MB in the beginning and 133.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,356 INFO L168 Benchmark]: RCFGBuilder took 1578.88 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 133.2 MB in the beginning and 133.5 MB in the end (delta: -270.2 kB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,364 INFO L168 Benchmark]: TraceAbstraction took 23876.06 ms. Allocated memory was 239.6 MB in the beginning and 624.4 MB in the end (delta: 384.8 MB). Free memory was 131.7 MB in the beginning and 120.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 396.5 MB. Max. memory is 7.1 GB. [2020-10-14 15:42:44,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1191.93 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 98.7 MB in the beginning and 139.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.95 ms. Allocated memory is still 206.0 MB. Free memory was 139.4 MB in the beginning and 133.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1578.88 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 133.2 MB in the beginning and 133.5 MB in the end (delta: -270.2 kB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23876.06 ms. Allocated memory was 239.6 MB in the beginning and 624.4 MB in the end (delta: 384.8 MB). Free memory was 131.7 MB in the beginning and 120.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 396.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3306]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 2948, overapproximation of bitwiseOr at line 2667. Possible FailurePath: [L2755] int ldv_irq_1_2 = 0; [L2756] int LDV_IN_INTERRUPT = 1; [L2757] int ldv_irq_1_3 = 0; [L2758] void *ldv_irq_data_1_1 ; [L2759] int ldv_irq_1_1 = 0; [L2760] int ldv_irq_1_0 = 0; [L2761] int probed_2 = 0; [L2762] int ldv_irq_line_1_3 ; [L2763] void *ldv_irq_data_1_0 ; [L2764] int ldv_state_variable_0 ; [L2765] int ldv_irq_line_1_0 ; [L2766] int ldv_state_variable_2 ; [L2767] void *ldv_irq_data_1_3 ; [L2768] int ref_cnt ; [L2769] int ldv_irq_line_1_1 ; [L2770] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2771] void *ldv_irq_data_1_2 ; [L2772] int ldv_state_variable_1 ; [L2773] int ldv_irq_line_1_2 ; [L2870] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2947-L2957] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2973] int ldv_retval_0 ; [L2974] int ldv_retval_1 ; [L2977] int ldv_retval_2 ; [L3345] int ldv_module_refcounter = 1; [L3126] int tmp ; [L3127] int tmp___0 ; [L3128] int tmp___1 ; [L3130] FCALL ldv_initialize() [L3131] ldv_state_variable_1 = 1 [L3132] ref_cnt = 0 [L3133] ldv_state_variable_0 = 1 [L3134] ldv_state_variable_2 = 0 [L3136] tmp = __VERIFIER_nondet_int() [L3138] case 0: [L3144] case 1: [L3145] COND TRUE ldv_state_variable_0 != 0 [L3146] tmp___0 = __VERIFIER_nondet_int() [L3148] case 0: [L3156] case 1: [L3157] COND TRUE ldv_state_variable_0 == 1 [L3158] CALL, EXPR iio_interrupt_trigger_driver_init() [L2960] int tmp ; [L2962] CALL, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L3283] ldv_func_ret_type___0 ldv_func_res ; [L3284] int tmp ; [L3286] CALL, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3413] return __VERIFIER_nondet_int(); [L3286] RET, EXPR __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3286] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3287] ldv_func_res = tmp [L3288] ldv_state_variable_2 = 1 [L3289] CALL ldv_platform_driver_init_2() [L3091] void *tmp ; [L3093] CALL, EXPR ldv_init_zalloc(1472UL) [L2715] void *p ; [L2716] void *tmp ; [L2718] EXPR, FCALL calloc(1UL, size) [L2718] tmp = calloc(1UL, size) [L2719] p = tmp [L2720] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L2677] COND FALSE !(!cond) [L2720] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L2721] return (p); [L3093] RET, EXPR ldv_init_zalloc(1472UL) [L3093] tmp = ldv_init_zalloc(1472UL) [L3094] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp [L3289] RET ldv_platform_driver_init_2() [L3290] return (ldv_func_res); [L2962] RET, EXPR ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2962] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2963] return (tmp); [L3158] RET, EXPR iio_interrupt_trigger_driver_init() [L3158] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3159] COND TRUE ldv_retval_0 == 0 [L3160] ldv_state_variable_0 = 3 [L3163] COND FALSE !(ldv_retval_0 != 0) [L3136] tmp = __VERIFIER_nondet_int() [L3138] case 0: [L3144] case 1: [L3178] case 2: [L3179] COND TRUE ldv_state_variable_2 != 0 [L3180] tmp___1 = __VERIFIER_nondet_int() [L3182] case 0: [L3183] COND TRUE ldv_state_variable_2 == 1 [L3184] CALL iio_interrupt_trigger_probe(iio_interrupt_trigger_driver_group1) [L2873] struct iio_interrupt_trigger_info *trig_info ; [L2874] struct iio_trigger *trig ; [L2875] unsigned long irqflags ; [L2876] struct resource *irq_res ; [L2877] int irq ; [L2878] int ret ; [L2879] void *tmp ; [L2881] ret = 0 [L2882] CALL, EXPR platform_get_resource(pdev, 1024U, 0U) [L3441] CALL, EXPR ldv_malloc(sizeof(struct resource)) [L2681] void *p ; [L2682] void *tmp ; [L2683] int tmp___0 ; [L2685] tmp___0 = __VERIFIER_nondet_int() [L2686] COND FALSE !(tmp___0 != 0) [L2689] tmp = malloc(size) [L2690] p = tmp [L2691] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L2677] COND FALSE !(!cond) [L2691] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L2692] return (p); [L3441] RET, EXPR ldv_malloc(sizeof(struct resource)) [L3441] return ldv_malloc(sizeof(struct resource)); [L2882] RET, EXPR platform_get_resource(pdev, 1024U, 0U) [L2882] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2883] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2887] EXPR irq_res->flags [L2887] irqflags = (irq_res->flags & 15UL) | 128UL [L2888] EXPR irq_res->start [L2888] irq = (int )irq_res->start [L2889] trig = iio_trigger_alloc("irqtrig%d", irq) [L2890] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2895] CALL, EXPR kzalloc(4UL, 208U) [L2665] void *tmp ; [L2667] CALL, EXPR kmalloc(size, flags | 32768U) [L2656] void *tmp___2 ; [L2658] CALL, EXPR __kmalloc(size, flags) [L2651] CALL, EXPR ldv_malloc(size) [L2681] void *p ; [L2682] void *tmp ; [L2683] int tmp___0 ; [L2685] tmp___0 = __VERIFIER_nondet_int() [L2686] COND TRUE tmp___0 != 0 [L2687] return ((void *)0); [L2651] RET, EXPR ldv_malloc(size) [L2651] return ldv_malloc(size); [L2658] RET, EXPR __kmalloc(size, flags) [L2658] tmp___2 = __kmalloc(size, flags) [L2659] return (tmp___2); [L2667] RET, EXPR kmalloc(size, flags | 32768U) [L2667] tmp = kmalloc(size, flags | 32768U) [L2668] return (tmp); [L2895] RET, EXPR kzalloc(4UL, 208U) [L2895] tmp = kzalloc(4UL, 208U) [L2896] trig_info = (struct iio_interrupt_trigger_info *)tmp [L2897] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2898] ret = -12 [L2924] CALL iio_trigger_put(trig) [L2839] EXPR trig->ops [L2839] EXPR (trig->ops)->owner [L2839] CALL ldv_module_put_5((trig->ops)->owner) [L3236] CALL ldv_module_put(ldv_func_arg1) [L3376] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L3377] COND TRUE ldv_module_refcounter <= 1 [L3378] CALL ldv_error() [L3306] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 68 procedures, 400 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1486 SDtfs, 3362 SDslu, 1692 SDs, 0 SdLazy, 3662 SolverSat, 1896 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 885 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 95113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 9/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...