/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-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:21:43,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:21:43,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:21:43,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:21:43,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:21:43,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:21:43,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:21:43,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:21:43,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:21:43,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:21:43,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:21:43,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:21:43,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:21:43,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:21:43,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:21:43,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:21:43,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:21:43,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:21:43,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:21:43,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:21:43,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:21:43,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:21:43,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:21:43,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:21:43,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:21:43,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:21:43,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:21:43,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:21:43,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:21:43,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:21:43,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:21:43,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:21:43,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:21:43,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:21:43,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:21:43,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:21:43,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:21:43,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:21:43,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:21:43,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:21:43,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:21:43,497 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 11:21:43,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:21:43,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:21:43,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:21:43,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:21:43,535 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:21:43,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:21:43,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:21:43,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:21:43,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:21:43,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:21:43,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:21:43,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:21:43,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:21:43,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:21:43,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:21:43,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:21:43,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:21:43,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:21:43,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:21:43,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:21:43,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:21:43,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:21:43,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:21:43,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:21:43,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:21:43,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:21:43,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:21:43,540 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 11:21:43,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:21:43,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:21:43,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:21:43,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:21:43,885 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:21:43,885 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-14 11:21:43,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833320a6/bf542547fa324d6fb9df23df918d5ed5/FLAGea81c1125 [2020-10-14 11:21:44,699 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:21:44,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-14 11:21:44,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833320a6/bf542547fa324d6fb9df23df918d5ed5/FLAGea81c1125 [2020-10-14 11:21:44,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833320a6/bf542547fa324d6fb9df23df918d5ed5 [2020-10-14 11:21:44,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:21:44,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:21:44,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:21:44,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:21:44,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:21:44,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:44" (1/1) ... [2020-10-14 11:21:44,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1ecb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:44, skipping insertion in model container [2020-10-14 11:21:44,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:21:44" (1/1) ... [2020-10-14 11:21:44,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:21:44,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:21:46,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:21:46,526 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:21:46,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:21:47,144 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:21:47,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47 WrapperNode [2020-10-14 11:21:47,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:21:47,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:21:47,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:21:47,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:21:47,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (1/1) ... [2020-10-14 11:21:47,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:21:47,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:21:47,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:21:47,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:21:47,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (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 11:21:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:21:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:21:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 11:21:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 11:21:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 11:21:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 11:21:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:21:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 11:21:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 11:21:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:21:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-14 11:21:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:21:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:21:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:21:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:21:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:21:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:21:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-14 11:21:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-14 11:21:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-14 11:21:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-14 11:21:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2020-10-14 11:21:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_supported [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure request_module_async [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure request_modules [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_request_modules [2020-10-14 11:21:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_prepare [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_buf_queue [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_cancel_buffers [2020-10-14 11:21:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_timeout [2020-10-14 11:21:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_mpeg_irq [2020-10-14 11:21:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_irq [2020-10-14 11:21:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init_common [2020-10-14 11:21:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini_common [2020-10-14 11:21:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_suspend_common [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_resume_common [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_get_driver [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_check_driver [2020-10-14 11:21:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_register_driver [2020-10-14 11:21:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_unregister_driver [2020-10-14 11:21:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_probe [2020-10-14 11:21:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_remove [2020-10-14 11:21:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_init [2020-10-14 11:21:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_fini [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_2 [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_3 [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_4 [2020-10-14 11:21:47,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-14 11:21:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-14 11:21:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-14 11:21:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-14 11:21:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-14 11:21:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-14 11:21:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-14 11:21:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2020-10-14 11:21:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-14 11:21:47,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:21:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:21:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2020-10-14 11:21:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2020-10-14 11:21:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2020-10-14 11:21:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_cx88_core [2020-10-14 11:21:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_cx88_core [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:21:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:21:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:21:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:21:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:21:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-14 11:21:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 11:21:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure btcx_riscmem_free [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_get [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_irq [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2020-10-14 11:21:47,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_print_irqbits [2020-10-14 11:21:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_reset [2020-10-14 11:21:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_databuffer [2020-10-14 11:21:47,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2020-10-14 11:21:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2020-10-14 11:21:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2020-10-14 11:21:47,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2020-10-14 11:21:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2020-10-14 11:21:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-14 11:21:47,586 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-14 11:21:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:21:47,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 11:21:47,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2020-10-14 11:21:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work_sync [2020-10-14 11:21:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-14 11:21:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-14 11:21:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 11:21:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-14 11:21:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-14 11:21:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 11:21:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-14 11:21:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-14 11:21:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-14 11:21:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-14 11:21:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 11:21:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 11:21:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2020-10-14 11:21:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2020-10-14 11:21:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:21:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 11:21:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:21:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:21:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 11:21:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 11:21:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 11:21:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_2 [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_3 [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-14 11:21:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_4 [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-14 11:21:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-14 11:21:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:21:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-14 11:21:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work_sync [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-14 11:21:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:21:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-14 11:21:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:21:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-14 11:21:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_supported [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2020-10-14 11:21:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure btcx_riscmem_free [2020-10-14 11:21:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_print_irqbits [2020-10-14 11:21:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_irq [2020-10-14 11:21:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2020-10-14 11:21:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2020-10-14 11:21:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_reset [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_databuffer [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_get [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2020-10-14 11:21:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_register_driver [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_unregister_driver [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_get_driver [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_prepare [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_buf_queue [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_cancel_buffers [2020-10-14 11:21:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure request_module_async [2020-10-14 11:21:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:21:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure request_modules [2020-10-14 11:21:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure flush_request_modules [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_timeout [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_mpeg_irq [2020-10-14 11:21:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_irq [2020-10-14 11:21:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init_common [2020-10-14 11:21:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini_common [2020-10-14 11:21:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_suspend_common [2020-10-14 11:21:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_resume_common [2020-10-14 11:21:47,628 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_check_driver [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_probe [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_remove [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_init [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_fini [2020-10-14 11:21:47,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_cx88_core [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_cx88_core [2020-10-14 11:21:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_cx88_core [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_cx88_core [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_cx88_core [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-14 11:21:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:21:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 11:21:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 11:21:56,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:21:56,172 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:21:56,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:56 BoogieIcfgContainer [2020-10-14 11:21:56,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:21:56,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:21:56,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:21:56,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:21:56,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:21:44" (1/3) ... [2020-10-14 11:21:56,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc64c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:56, skipping insertion in model container [2020-10-14 11:21:56,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:21:47" (2/3) ... [2020-10-14 11:21:56,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bc64c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:21:56, skipping insertion in model container [2020-10-14 11:21:56,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:21:56" (3/3) ... [2020-10-14 11:21:56,194 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2020-10-14 11:21:56,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:21:56,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:21:56,226 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:21:56,253 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:21:56,253 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:21:56,254 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:21:56,254 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:21:56,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:21:56,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:21:56,254 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:21:56,254 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:21:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states. [2020-10-14 11:21:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 11:21:56,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:21:56,300 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] [2020-10-14 11:21:56,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:21:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:21:56,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1200099986, now seen corresponding path program 1 times [2020-10-14 11:21:56,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:21:56,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126484592] [2020-10-14 11:21:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:21:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:21:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:21:59,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:21:59,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 11:21:59,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:21:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2209 [2020-10-14 11:21:59,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:21:59,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:21:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:21:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:21:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 11:21:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:22:01,558 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:22:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:22:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:01,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:01,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-14 11:22:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:01,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:22:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:02,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:02,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:02,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 11:22:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:02,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:22:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:22:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:02,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:22:02,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 11:22:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:02,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:22:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:02,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:22:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:02,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:02,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:22:02,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 11:22:02,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:02,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:02,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:02,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:02,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:22:02,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:02,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:22:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:02,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 11:22:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:02,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:02,386 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 11:22:02,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126484592] [2020-10-14 11:22:02,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:22:02,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:22:02,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140440769] [2020-10-14 11:22:02,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:22:02,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:22:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:22:02,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:22:02,421 INFO L87 Difference]: Start difference. First operand 1027 states. Second operand 5 states. [2020-10-14 11:22:06,329 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:22:25,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:22:25,028 INFO L93 Difference]: Finished difference Result 1927 states and 2519 transitions. [2020-10-14 11:22:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:22:25,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 11:22:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:22:25,061 INFO L225 Difference]: With dead ends: 1927 [2020-10-14 11:22:25,062 INFO L226 Difference]: Without dead ends: 1174 [2020-10-14 11:22:25,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:22:25,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2020-10-14 11:22:25,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 980. [2020-10-14 11:22:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-14 11:22:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1238 transitions. [2020-10-14 11:22:25,495 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1238 transitions. Word has length 28 [2020-10-14 11:22:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:22:25,496 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1238 transitions. [2020-10-14 11:22:25,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:22:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1238 transitions. [2020-10-14 11:22:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 11:22:25,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:22:25,498 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] [2020-10-14 11:22:25,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:22:25,499 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:22:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:22:25,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1452192194, now seen corresponding path program 1 times [2020-10-14 11:22:25,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:22:25,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344816531] [2020-10-14 11:22:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:22:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:25,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:27,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:27,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 11:22:27,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2042 [2020-10-14 11:22:27,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:27,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:27,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:22:27,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 11:22:27,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:29,652 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:22:29,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:22:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:29,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:29,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:29,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:29,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:29,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-14 11:22:29,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:29,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:22:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:30,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:30,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:30,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 11:22:30,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:30,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:22:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:30,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:22:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:30,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:30,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:22:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 11:22:30,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:30,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:22:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:22:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:30,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:30,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:30,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:22:30,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 11:22:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:30,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:22:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:30,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:22:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:30,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:30,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 11:22:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:30,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:30,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:30,380 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 11:22:30,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344816531] [2020-10-14 11:22:30,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:22:30,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:22:30,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276177373] [2020-10-14 11:22:30,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:22:30,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:22:30,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:22:30,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:22:30,384 INFO L87 Difference]: Start difference. First operand 980 states and 1238 transitions. Second operand 5 states. [2020-10-14 11:22:38,622 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:22:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:22:52,352 INFO L93 Difference]: Finished difference Result 1174 states and 1526 transitions. [2020-10-14 11:22:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:22:52,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-14 11:22:52,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:22:52,365 INFO L225 Difference]: With dead ends: 1174 [2020-10-14 11:22:52,365 INFO L226 Difference]: Without dead ends: 1171 [2020-10-14 11:22:52,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:22:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2020-10-14 11:22:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 979. [2020-10-14 11:22:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2020-10-14 11:22:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1236 transitions. [2020-10-14 11:22:52,703 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1236 transitions. Word has length 29 [2020-10-14 11:22:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:22:52,704 INFO L479 AbstractCegarLoop]: Abstraction has 979 states and 1236 transitions. [2020-10-14 11:22:52,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:22:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1236 transitions. [2020-10-14 11:22:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 11:22:52,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:22:52,705 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] [2020-10-14 11:22:52,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 11:22:52,705 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:22:52,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:22:52,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2068866283, now seen corresponding path program 1 times [2020-10-14 11:22:52,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:22:52,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392699418] [2020-10-14 11:22:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:22:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:52,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:55,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:55,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 11:22:55,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2217 [2020-10-14 11:22:55,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:55,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:22:55,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 11:22:55,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:56,772 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:22:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:22:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:56,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:57,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:57,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:57,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-14 11:22:57,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:57,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:57,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:22:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:57,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:57,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:57,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:57,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 11:22:57,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:57,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:57,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:57,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:22:57,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:22:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:57,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:57,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:22:57,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 11:22:57,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:57,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:22:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:57,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:22:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:57,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:57,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:22:57,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:57,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 11:22:57,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:57,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:22:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:22:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:22:57,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:22:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:22:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:22:57,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:22:57,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:22:57,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:22:57,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:22:57,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:22:57,630 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 11:22:57,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392699418] [2020-10-14 11:22:57,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:22:57,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:22:57,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577391655] [2020-10-14 11:22:57,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:22:57,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:22:57,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:22:57,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:22:57,634 INFO L87 Difference]: Start difference. First operand 979 states and 1236 transitions. Second operand 5 states. [2020-10-14 11:23:01,453 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:23:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:23:15,477 INFO L93 Difference]: Finished difference Result 1173 states and 1524 transitions. [2020-10-14 11:23:15,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:23:15,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-14 11:23:15,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:23:15,486 INFO L225 Difference]: With dead ends: 1173 [2020-10-14 11:23:15,486 INFO L226 Difference]: Without dead ends: 1170 [2020-10-14 11:23:15,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:23:15,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2020-10-14 11:23:15,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 978. [2020-10-14 11:23:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-14 11:23:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1234 transitions. [2020-10-14 11:23:15,765 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1234 transitions. Word has length 30 [2020-10-14 11:23:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:23:15,765 INFO L479 AbstractCegarLoop]: Abstraction has 978 states and 1234 transitions. [2020-10-14 11:23:15,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:23:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1234 transitions. [2020-10-14 11:23:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 11:23:15,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:23:15,767 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] [2020-10-14 11:23:15,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 11:23:15,767 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:23:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:23:15,767 INFO L82 PathProgramCache]: Analyzing trace with hash 289078305, now seen corresponding path program 1 times [2020-10-14 11:23:15,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:23:15,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669948890] [2020-10-14 11:23:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:23:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:16,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:16,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 11:23:16,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-10-14 11:23:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:16,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 11:23:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 11:23:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:18,709 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:23:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:23:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:18,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:19,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:19,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:19,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-14 11:23:19,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:19,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:23:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:19,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:19,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:19,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:19,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 11:23:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:19,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:23:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:23:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:19,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:19,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:23:19,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:23:19,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:19,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:23:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:19,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:23:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:19,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:19,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:19,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:23:19,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 11:23:19,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:19,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:19,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:23:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:19,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:19,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:19,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 11:23:19,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:19,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:19,396 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 11:23:19,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669948890] [2020-10-14 11:23:19,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:23:19,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 11:23:19,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791141612] [2020-10-14 11:23:19,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 11:23:19,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:23:19,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 11:23:19,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:23:19,398 INFO L87 Difference]: Start difference. First operand 978 states and 1234 transitions. Second operand 5 states. [2020-10-14 11:23:27,198 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-14 11:23:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:23:41,759 INFO L93 Difference]: Finished difference Result 1172 states and 1522 transitions. [2020-10-14 11:23:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 11:23:41,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-14 11:23:41,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:23:41,768 INFO L225 Difference]: With dead ends: 1172 [2020-10-14 11:23:41,768 INFO L226 Difference]: Without dead ends: 1156 [2020-10-14 11:23:41,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:23:41,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-10-14 11:23:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 964. [2020-10-14 11:23:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2020-10-14 11:23:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1216 transitions. [2020-10-14 11:23:42,168 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1216 transitions. Word has length 31 [2020-10-14 11:23:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:23:42,168 INFO L479 AbstractCegarLoop]: Abstraction has 964 states and 1216 transitions. [2020-10-14 11:23:42,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 11:23:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1216 transitions. [2020-10-14 11:23:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 11:23:42,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:23:42,175 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 11:23:42,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 11:23:42,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:23:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:23:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2066167738, now seen corresponding path program 1 times [2020-10-14 11:23:42,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:23:42,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132321732] [2020-10-14 11:23:42,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:23:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:43,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:47,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:47,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 11:23:47,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:23:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5215 [2020-10-14 11:23:47,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:47,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 11:23:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 11:23:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:49,308 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:23:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:23:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:49,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:50,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-10-14 11:23:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:23:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:50,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 11:23:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:23:50,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:23:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:23:50,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 11:23:50,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:23:50,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:23:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:23:50,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 11:23:50,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:23:50,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 11:23:50,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:50,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:23:50,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 11:23:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:23:50,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 11:23:50,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 11:23:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 11:23:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 11:23:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 11:23:50,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 11:23:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 11:23:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:23:50,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 11:23:50,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:23:50,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 11:23:50,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 11:23:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:23:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 11:23:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 11:23:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:50,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:23:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 11:23:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 11:23:50,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 11:23:50,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 11:23:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:23:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:50,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:50,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 11:23:50,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:50,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 11:23:50,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:50,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:51,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 11:23:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:51,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:51,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:51,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:51,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:51,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 11:23:51,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:51,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:51,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:51,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:23:51,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:51,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:51,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 11:23:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:23:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:23:51,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:23:51,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:23:51,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:23:51,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 11:23:51,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:23:51,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:23:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:23:51,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:23:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:23:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:23:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 11:23:51,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132321732] [2020-10-14 11:23:51,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:23:51,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 11:23:51,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081999289] [2020-10-14 11:23:51,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 11:23:51,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:23:51,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 11:23:51,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 11:23:51,159 INFO L87 Difference]: Start difference. First operand 964 states and 1216 transitions. Second operand 7 states. [2020-10-14 11:24:10,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:24:10,870 INFO L93 Difference]: Finished difference Result 2216 states and 2892 transitions. [2020-10-14 11:24:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 11:24:10,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-14 11:24:10,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:24:10,880 INFO L225 Difference]: With dead ends: 2216 [2020-10-14 11:24:10,880 INFO L226 Difference]: Without dead ends: 1274 [2020-10-14 11:24:10,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 11:24:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-10-14 11:24:11,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 980. [2020-10-14 11:24:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-14 11:24:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1242 transitions. [2020-10-14 11:24:11,257 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1242 transitions. Word has length 91 [2020-10-14 11:24:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:24:11,258 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1242 transitions. [2020-10-14 11:24:11,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 11:24:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1242 transitions. [2020-10-14 11:24:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 11:24:11,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:24:11,264 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:24:11,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 11:24:11,265 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:24:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:24:11,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1565206963, now seen corresponding path program 1 times [2020-10-14 11:24:11,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:24:11,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723221759] [2020-10-14 11:24:11,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:24:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:11,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:16,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5255 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:24:16,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 11:24:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 11:24:16,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:18,591 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:24:18,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:24:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:18,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:18,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:18,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:18,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-14 11:24:18,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:18,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:24:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:24:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:24:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:24:19,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:24:19,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:24:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:24:19,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 11:24:19,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:19,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:24:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 11:24:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 11:24:19,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 11:24:19,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 11:24:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 11:24:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:24:19,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 11:24:19,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:24:19,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 11:24:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 11:24:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:19,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:24:19,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:24:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:24:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 11:24:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:19,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:24:19,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:24:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:24:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 11:24:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:24:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 11:24:19,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 11:24:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 11:24:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 11:24:19,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 11:24:19,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 11:24:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:24:19,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:24:19,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 11:24:19,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 11:24:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:24:19,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 11:24:19,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 11:24:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:19,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:24:19,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 11:24:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 11:24:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:19,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:19,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:19,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 11:24:19,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 11:24:19,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:19,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:19,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:19,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 11:24:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:20,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:20,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:20,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:20,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 11:24:20,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:20,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:20,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:20,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 11:24:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:20,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:20,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:20,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:20,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:24:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 11:24:20,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723221759] [2020-10-14 11:24:20,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:24:20,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 11:24:20,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778325010] [2020-10-14 11:24:20,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 11:24:20,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:24:20,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 11:24:20,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 11:24:20,115 INFO L87 Difference]: Start difference. First operand 980 states and 1242 transitions. Second operand 10 states. [2020-10-14 11:24:24,830 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 625 [2020-10-14 11:24:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:24:47,555 INFO L93 Difference]: Finished difference Result 2267 states and 2977 transitions. [2020-10-14 11:24:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 11:24:47,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-10-14 11:24:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:24:47,564 INFO L225 Difference]: With dead ends: 2267 [2020-10-14 11:24:47,564 INFO L226 Difference]: Without dead ends: 1293 [2020-10-14 11:24:47,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-10-14 11:24:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-10-14 11:24:48,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 980. [2020-10-14 11:24:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-14 11:24:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1241 transitions. [2020-10-14 11:24:48,111 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1241 transitions. Word has length 122 [2020-10-14 11:24:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:24:48,111 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1241 transitions. [2020-10-14 11:24:48,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 11:24:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1241 transitions. [2020-10-14 11:24:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 11:24:48,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:24:48,118 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 11:24:48,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 11:24:48,118 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:24:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:24:48,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1248295530, now seen corresponding path program 1 times [2020-10-14 11:24:48,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:24:48,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073585873] [2020-10-14 11:24:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:24:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:48,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:53,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:53,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 11:24:53,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:24:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 11:24:53,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:53,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 11:24:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-14 11:24:53,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 11:24:53,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:55,716 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-14 11:24:55,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:24:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:55,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:55,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:55,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:55,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 11:24:55,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:55,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:24:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 11:24:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:24:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 11:24:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 11:24:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:56,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 11:24:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 11:24:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 11:24:56,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 11:24:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-14 11:24:56,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:24:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 11:24:56,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:24:56,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:24:56,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 11:24:56,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 11:24:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:56,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:24:56,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:24:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:24:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 11:24:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:56,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 11:24:56,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:24:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:24:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:56,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 11:24:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 11:24:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:24:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 11:24:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 11:24:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:24:56,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:24:56,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 11:24:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:56,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 11:24:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 11:24:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 11:24:56,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 11:24:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 11:24:56,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:24:56,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:56,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:56,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 11:24:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:24:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:56,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 11:24:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 11:24:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 11:24:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 11:24:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:57,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 11:24:57,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:57,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 11:24:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 11:24:57,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 11:24:57,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 11:24:57,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:57,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 11:24:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 11:24:57,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 11:24:57,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 11:24:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:57,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 11:24:57,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:24:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:24:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 11:24:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:24:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:24:57,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:24:57,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:24:57,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:24:57,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 11:24:57,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:24:57,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:24:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:24:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:24:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:24:57,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:24:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 11:24:57,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073585873] [2020-10-14 11:24:57,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:24:57,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 11:24:57,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605894061] [2020-10-14 11:24:57,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 11:24:57,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:24:57,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 11:24:57,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-14 11:24:57,332 INFO L87 Difference]: Start difference. First operand 980 states and 1241 transitions. Second operand 11 states. [2020-10-14 11:25:01,867 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 624