/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:32:12,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:32:12,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:32:12,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:32:12,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:32:12,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:32:12,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:32:12,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:32:12,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:32:12,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:32:12,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:32:12,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:32:12,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:32:12,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:32:12,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:32:12,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:32:12,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:32:12,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:32:12,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:32:12,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:32:12,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:32:12,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:32:12,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:32:12,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:32:12,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:32:12,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:32:12,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:32:12,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:32:12,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:32:12,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:32:12,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:32:12,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:32:12,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:32:12,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:32:12,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:32:12,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:32:12,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:32:12,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:32:12,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:32:12,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:32:12,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:32:12,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 02:32:12,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:32:12,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:32:12,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:32:12,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:32:12,809 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:32:12,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:32:12,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:32:12,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:32:12,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:32:12,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:32:12,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:32:12,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:32:12,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:32:12,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:32:12,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:32:12,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:32:12,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:32:12,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:32:12,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:32:12,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:32:12,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:32:12,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:32:12,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:32:12,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:32:12,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:32:12,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:32:12,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:32:12,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:32:12,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:32:12,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:32:13,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:32:13,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:32:13,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:32:13,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:32:13,151 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:32:13,151 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-10-15 02:32:13,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fca1a6f85/cb9cb58a183a41b882d3d1882cc912e1/FLAG0364a32d9 [2020-10-15 02:32:13,767 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:32:13,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-10-15 02:32:13,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fca1a6f85/cb9cb58a183a41b882d3d1882cc912e1/FLAG0364a32d9 [2020-10-15 02:32:14,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fca1a6f85/cb9cb58a183a41b882d3d1882cc912e1 [2020-10-15 02:32:14,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:32:14,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:32:14,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:32:14,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:32:14,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:32:14,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16606ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14, skipping insertion in model container [2020-10-15 02:32:14,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:32:14,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:32:14,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:32:14,533 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:32:14,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:32:14,624 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:32:14,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14 WrapperNode [2020-10-15 02:32:14,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:32:14,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:32:14,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:32:14,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:32:14,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (1/1) ... [2020-10-15 02:32:14,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:32:14,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:32:14,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:32:14,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:32:14,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (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 [2020-10-15 02:32:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:32:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:32:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:32:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:32:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:32:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:32:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:32:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:32:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:32:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:32:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:32:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:32:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:32:15,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:32:15,559 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:32:15,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:32:15 BoogieIcfgContainer [2020-10-15 02:32:15,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:32:15,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:32:15,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:32:15,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:32:15,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:32:14" (1/3) ... [2020-10-15 02:32:15,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494e1c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:32:15, skipping insertion in model container [2020-10-15 02:32:15,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:32:14" (2/3) ... [2020-10-15 02:32:15,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494e1c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:32:15, skipping insertion in model container [2020-10-15 02:32:15,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:32:15" (3/3) ... [2020-10-15 02:32:15,574 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-10-15 02:32:15,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:32:15,593 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:32:15,606 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:32:15,632 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:32:15,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:32:15,633 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:32:15,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:32:15,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:32:15,634 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:32:15,634 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:32:15,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:32:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-15 02:32:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-15 02:32:15,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:15,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:15,671 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:15,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:15,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2011977031, now seen corresponding path program 1 times [2020-10-15 02:32:15,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:15,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076465491] [2020-10-15 02:32:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:32:16,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-15 02:32:16,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:32:16,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:32:16,752 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:16,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:16,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:32:16,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:16,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:16,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:32:16,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:16,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:16,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:32:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:16,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:32:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:32:16,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:32:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:16,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:32:16,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:16,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:16,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:32:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:16,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:16,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:16,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:32:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:16,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:16,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:16,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:16,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-15 02:32:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:32:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:17,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 02:32:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:32:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:17,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:17,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:32:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:17,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:17,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:32:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:17,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:17,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:17,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:32:17,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 02:32:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:17,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:17,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:17,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:32:17,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:17,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:32:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:17,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076465491] [2020-10-15 02:32:17,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:17,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 02:32:17,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655177604] [2020-10-15 02:32:17,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:32:17,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:17,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:32:17,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:32:17,290 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 10 states. [2020-10-15 02:32:17,870 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:32:18,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:32:18,966 INFO L93 Difference]: Finished difference Result 277 states and 413 transitions. [2020-10-15 02:32:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:32:18,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2020-10-15 02:32:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:32:18,985 INFO L225 Difference]: With dead ends: 277 [2020-10-15 02:32:18,986 INFO L226 Difference]: Without dead ends: 166 [2020-10-15 02:32:18,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:32:19,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-15 02:32:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-10-15 02:32:19,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 02:32:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 256 transitions. [2020-10-15 02:32:19,059 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 256 transitions. Word has length 81 [2020-10-15 02:32:19,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:32:19,059 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 256 transitions. [2020-10-15 02:32:19,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:32:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 256 transitions. [2020-10-15 02:32:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-15 02:32:19,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:19,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:19,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:32:19,070 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:19,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:19,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1280009605, now seen corresponding path program 1 times [2020-10-15 02:32:19,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:19,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704647318] [2020-10-15 02:32:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:19,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:19,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:32:19,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 816 [2020-10-15 02:32:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:19,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:32:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:32:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:32:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,148 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:32:20,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:20,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:32:20,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:32:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:20,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:32:20,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:32:20,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:32:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 02:32:20,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:32:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:32:20,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:32:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:32:20,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:32:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:20,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:32:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:32:20,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:32:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:20,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:20,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:32:20,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:32:20,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 02:32:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:20,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:20,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:20,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:32:20,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:20,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:32:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:20,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704647318] [2020-10-15 02:32:20,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:20,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:32:20,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420308299] [2020-10-15 02:32:20,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:32:20,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:20,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:32:20,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:32:20,662 INFO L87 Difference]: Start difference. First operand 166 states and 256 transitions. Second operand 16 states. [2020-10-15 02:32:21,005 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:21,198 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:21,534 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:21,730 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:32:24,158 INFO L93 Difference]: Finished difference Result 283 states and 423 transitions. [2020-10-15 02:32:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:32:24,158 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 81 [2020-10-15 02:32:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:32:24,162 INFO L225 Difference]: With dead ends: 283 [2020-10-15 02:32:24,162 INFO L226 Difference]: Without dead ends: 179 [2020-10-15 02:32:24,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:32:24,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-15 02:32:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 166. [2020-10-15 02:32:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-15 02:32:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 206 transitions. [2020-10-15 02:32:24,209 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 206 transitions. Word has length 81 [2020-10-15 02:32:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:32:24,210 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 206 transitions. [2020-10-15 02:32:24,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:32:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 206 transitions. [2020-10-15 02:32:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-15 02:32:24,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:24,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:24,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:32:24,219 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:24,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:24,219 INFO L82 PathProgramCache]: Analyzing trace with hash 597453265, now seen corresponding path program 1 times [2020-10-15 02:32:24,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:24,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838895436] [2020-10-15 02:32:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:24,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:24,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 02:32:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:32:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 02:32:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:32:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:32:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-15 02:32:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:29,550 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:32:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:32:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:29,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:32:29,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:29,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:32:29,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:29,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:32:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:32:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:32:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:32:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:29,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:32:29,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-15 02:32:29,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:29,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:32:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:32:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:32:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:32:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:32:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:29,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:32:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:32:29,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:32:29,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:32:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:29,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:29,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:32:29,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:29,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:29,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:32:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:32:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:32:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:32:30,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:32:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:32:30,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:32:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:32:30,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:32:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:32:30,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:32:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:32:30,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:32:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:32:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:32:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:32:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:32:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:30,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:32:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:32:30,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:32:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:32:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:32:30,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838895436] [2020-10-15 02:32:30,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:32:30,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:32:30,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700009640] [2020-10-15 02:32:30,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:32:30,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:32:30,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:32:30,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:32:30,526 INFO L87 Difference]: Start difference. First operand 166 states and 206 transitions. Second operand 25 states. [2020-10-15 02:32:30,845 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:31,056 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:32:31,240 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:31,456 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:32:31,654 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:31,875 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:32,104 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:32:34,076 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:32:40,243 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:32:40,473 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:32:40,695 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:32:40,940 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:32:41,141 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:32:41,338 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:32:41,527 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:32:43,342 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:32:45,299 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:32:45,707 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:32:49,565 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:32:50,495 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:32:52,646 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:32:55,453 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:32:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:32:56,470 INFO L93 Difference]: Finished difference Result 1710 states and 2410 transitions. [2020-10-15 02:32:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2020-10-15 02:32:56,471 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 130 [2020-10-15 02:32:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:32:56,489 INFO L225 Difference]: With dead ends: 1710 [2020-10-15 02:32:56,490 INFO L226 Difference]: Without dead ends: 1612 [2020-10-15 02:32:56,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13185 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=5133, Invalid=28539, Unknown=0, NotChecked=0, Total=33672 [2020-10-15 02:32:56,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2020-10-15 02:32:56,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1584. [2020-10-15 02:32:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2020-10-15 02:32:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2240 transitions. [2020-10-15 02:32:56,660 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2240 transitions. Word has length 130 [2020-10-15 02:32:56,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:32:56,660 INFO L479 AbstractCegarLoop]: Abstraction has 1584 states and 2240 transitions. [2020-10-15 02:32:56,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:32:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2240 transitions. [2020-10-15 02:32:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:32:56,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:32:56,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:32:56,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:32:56,665 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:32:56,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:32:56,665 INFO L82 PathProgramCache]: Analyzing trace with hash 991213185, now seen corresponding path program 1 times [2020-10-15 02:32:56,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:32:56,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122631851] [2020-10-15 02:32:56,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:32:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:32:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:56,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:32:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:01,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:01,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:01,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-15 02:33:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-15 02:33:01,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:01,911 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:01,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:01,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:01,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:01,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:01,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:01,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:33:01,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:01,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:33:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:01,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:01,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:01,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:02,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:02,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:33:02,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:02,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:02,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:02,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:02,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:33:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:02,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:02,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:02,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:02,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:33:02,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:33:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:02,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:33:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:02,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:02,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:02,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:33:02,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:33:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:33:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:02,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:33:02,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:33:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:02,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122631851] [2020-10-15 02:33:02,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:02,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:33:02,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797465989] [2020-10-15 02:33:02,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:33:02,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:02,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:33:02,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:33:02,366 INFO L87 Difference]: Start difference. First operand 1584 states and 2240 transitions. Second operand 14 states. [2020-10-15 02:33:02,597 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:04,308 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:33:06,197 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:33:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:08,669 INFO L93 Difference]: Finished difference Result 7266 states and 10460 transitions. [2020-10-15 02:33:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-15 02:33:08,670 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 132 [2020-10-15 02:33:08,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:08,704 INFO L225 Difference]: With dead ends: 7266 [2020-10-15 02:33:08,705 INFO L226 Difference]: Without dead ends: 5750 [2020-10-15 02:33:08,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2020-10-15 02:33:08,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5750 states. [2020-10-15 02:33:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5750 to 5744. [2020-10-15 02:33:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5744 states. [2020-10-15 02:33:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 8129 transitions. [2020-10-15 02:33:09,124 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 8129 transitions. Word has length 132 [2020-10-15 02:33:09,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:09,125 INFO L479 AbstractCegarLoop]: Abstraction has 5744 states and 8129 transitions. [2020-10-15 02:33:09,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:33:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 8129 transitions. [2020-10-15 02:33:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:09,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:09,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:09,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:33:09,128 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:09,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:09,128 INFO L82 PathProgramCache]: Analyzing trace with hash 951019583, now seen corresponding path program 1 times [2020-10-15 02:33:09,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:09,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376818287] [2020-10-15 02:33:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:09,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:12,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:14,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:14,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:14,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:33:14,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 02:33:14,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:14,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:33:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:33:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:33:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:14,403 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:14,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:33:14,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:14,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:14,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:14,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:14,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:14,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:14,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-15 02:33:14,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:14,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:33:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:33:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:14,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:14,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:14,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:14,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:33:14,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:14,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:14,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:14,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:14,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:14,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:33:14,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:14,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:14,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:14,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:33:15,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:33:15,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:33:15,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:33:15,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:33:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:33:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:33:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:33:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:15,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-15 02:33:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:15,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:15,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:33:15,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:33:15,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:15,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:33:15,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:33:15,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:15,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376818287] [2020-10-15 02:33:15,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:15,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:33:15,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412608636] [2020-10-15 02:33:15,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:33:15,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:15,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:33:15,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:33:15,501 INFO L87 Difference]: Start difference. First operand 5744 states and 8129 transitions. Second operand 25 states. [2020-10-15 02:33:15,772 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:33:16,021 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:33:16,213 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:16,415 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:33:16,634 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:33:16,866 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:33:17,114 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:33:17,619 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:33:18,040 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:33:18,207 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:18,433 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:18,645 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:19,308 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 179 [2020-10-15 02:33:19,657 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:19,793 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:20,044 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-15 02:33:20,425 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:20,569 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:20,852 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:33:21,320 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2020-10-15 02:33:21,663 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:21,931 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:22,071 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:22,330 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 02:33:22,749 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-15 02:33:23,015 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:23,163 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:23,879 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 178 [2020-10-15 02:33:24,061 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:33:24,402 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:24,659 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:24,909 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:25,044 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:25,308 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:33:25,660 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:25,928 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:26,172 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:26,306 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:26,598 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2020-10-15 02:33:27,029 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 02:33:27,283 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-15 02:33:27,533 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:27,728 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:28,096 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:33:28,610 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 178 [2020-10-15 02:33:29,010 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:29,269 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:29,519 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:29,762 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:29,894 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:33:30,182 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2020-10-15 02:33:30,660 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 113 [2020-10-15 02:33:30,919 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 02:33:31,172 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-15 02:33:31,426 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:31,574 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:32,411 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 178 [2020-10-15 02:33:33,834 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 112 [2020-10-15 02:33:34,140 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2020-10-15 02:33:34,414 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 112 [2020-10-15 02:33:34,679 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2020-10-15 02:33:34,945 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-10-15 02:33:35,087 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:33:35,947 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:36,273 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:36,610 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:36,884 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:37,154 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-10-15 02:33:37,889 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:38,204 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:38,484 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:38,753 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-10-15 02:33:39,400 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:39,700 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:39,960 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-15 02:33:40,522 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:40,820 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:41,351 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-10-15 02:33:41,629 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 02:33:41,887 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-10-15 02:33:42,145 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-15 02:33:42,283 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:33:42,876 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:43,398 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 178 [2020-10-15 02:33:43,719 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2020-10-15 02:33:44,113 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:44,556 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-10-15 02:33:44,944 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-15 02:33:45,311 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:45,733 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-10-15 02:33:46,297 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2020-10-15 02:33:46,691 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:47,103 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:47,514 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:47,938 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-10-15 02:33:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:33:48,071 INFO L93 Difference]: Finished difference Result 11434 states and 16199 transitions. [2020-10-15 02:33:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2020-10-15 02:33:48,072 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 132 [2020-10-15 02:33:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:33:48,111 INFO L225 Difference]: With dead ends: 11434 [2020-10-15 02:33:48,111 INFO L226 Difference]: Without dead ends: 5758 [2020-10-15 02:33:48,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5634 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=2971, Invalid=13541, Unknown=0, NotChecked=0, Total=16512 [2020-10-15 02:33:48,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2020-10-15 02:33:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 5744. [2020-10-15 02:33:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5744 states. [2020-10-15 02:33:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 8121 transitions. [2020-10-15 02:33:48,720 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 8121 transitions. Word has length 132 [2020-10-15 02:33:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:33:48,721 INFO L479 AbstractCegarLoop]: Abstraction has 5744 states and 8121 transitions. [2020-10-15 02:33:48,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:33:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 8121 transitions. [2020-10-15 02:33:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:33:48,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:33:48,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:33:48,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:33:48,728 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:33:48,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:33:48,729 INFO L82 PathProgramCache]: Analyzing trace with hash 156026459, now seen corresponding path program 1 times [2020-10-15 02:33:48,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:33:48,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194155003] [2020-10-15 02:33:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:33:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:49,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:53,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:53,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:33:53,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:33:53,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 02:33:53,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:53,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:33:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:33:53,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-15 02:33:53,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:33:54,101 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:33:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:33:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:33:54,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:33:54,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:33:54,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:33:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:33:54,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 02:33:54,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:33:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 02:33:54,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:33:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:33:54,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:33:54,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:33:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:33:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:33:54,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:33:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:33:54,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:33:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:54,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:33:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:33:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:33:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:33:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:33:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:33:54,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:33:54,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:33:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:33:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:33:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 02:33:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:33:54,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:33:54,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:33:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:33:54,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:33:54,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:33:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:33:54,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:33:54,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:33:54,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:33:54,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:33:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:33:54,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:33:54,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:33:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:33:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:33:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:33:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:33:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:33:54,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194155003] [2020-10-15 02:33:54,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:33:54,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-15 02:33:54,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407659572] [2020-10-15 02:33:54,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:33:54,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:33:54,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:33:54,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:33:54,767 INFO L87 Difference]: Start difference. First operand 5744 states and 8121 transitions. Second operand 17 states. [2020-10-15 02:33:55,256 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2020-10-15 02:33:55,464 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:33:56,294 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2020-10-15 02:33:56,495 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-10-15 02:33:56,802 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:33:57,093 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:33:57,400 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:33:57,714 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:33:57,951 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-10-15 02:33:58,432 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 169 [2020-10-15 02:33:58,665 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2020-10-15 02:33:59,080 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2020-10-15 02:33:59,346 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:33:59,612 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:33:59,875 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:00,148 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:00,444 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2020-10-15 02:34:00,848 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-10-15 02:34:01,070 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2020-10-15 02:34:01,300 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2020-10-15 02:34:01,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:01,641 INFO L93 Difference]: Finished difference Result 12068 states and 16938 transitions. [2020-10-15 02:34:01,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:34:01,642 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-10-15 02:34:01,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:01,681 INFO L225 Difference]: With dead ends: 12068 [2020-10-15 02:34:01,681 INFO L226 Difference]: Without dead ends: 6392 [2020-10-15 02:34:01,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 02:34:01,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2020-10-15 02:34:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6014. [2020-10-15 02:34:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6014 states. [2020-10-15 02:34:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6014 states to 6014 states and 8489 transitions. [2020-10-15 02:34:02,279 INFO L78 Accepts]: Start accepts. Automaton has 6014 states and 8489 transitions. Word has length 132 [2020-10-15 02:34:02,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:02,280 INFO L479 AbstractCegarLoop]: Abstraction has 6014 states and 8489 transitions. [2020-10-15 02:34:02,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:34:02,280 INFO L276 IsEmpty]: Start isEmpty. Operand 6014 states and 8489 transitions. [2020-10-15 02:34:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:02,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:02,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:02,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:34:02,286 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:02,287 INFO L82 PathProgramCache]: Analyzing trace with hash -139761123, now seen corresponding path program 1 times [2020-10-15 02:34:02,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:02,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279521170] [2020-10-15 02:34:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:06,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 02:34:07,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:34:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:34:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:34:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,569 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:07,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:34:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:07,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:34:07,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:34:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 02:34:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:07,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:07,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:07,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:34:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:34:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:34:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:07,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:34:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:07,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:34:07,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:34:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:07,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:07,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:07,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:07,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:07,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279521170] [2020-10-15 02:34:07,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:07,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-15 02:34:07,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102368438] [2020-10-15 02:34:07,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:34:07,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:07,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:34:07,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:34:07,988 INFO L87 Difference]: Start difference. First operand 6014 states and 8489 transitions. Second operand 17 states. [2020-10-15 02:34:08,419 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2020-10-15 02:34:08,627 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:09,359 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2020-10-15 02:34:09,543 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-15 02:34:09,823 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:10,109 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:10,384 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:10,676 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:10,924 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:34:11,156 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-10-15 02:34:11,351 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:11,614 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:12,054 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-15 02:34:12,301 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:12,552 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:12,793 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:13,042 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:13,338 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-10-15 02:34:13,604 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:13,924 INFO L93 Difference]: Finished difference Result 11603 states and 16313 transitions. [2020-10-15 02:34:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 02:34:13,925 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-10-15 02:34:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:13,963 INFO L225 Difference]: With dead ends: 11603 [2020-10-15 02:34:13,963 INFO L226 Difference]: Without dead ends: 6957 [2020-10-15 02:34:13,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=400, Invalid=1160, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:34:13,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6957 states. [2020-10-15 02:34:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6957 to 6160. [2020-10-15 02:34:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6160 states. [2020-10-15 02:34:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 8688 transitions. [2020-10-15 02:34:14,511 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 8688 transitions. Word has length 132 [2020-10-15 02:34:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:14,511 INFO L479 AbstractCegarLoop]: Abstraction has 6160 states and 8688 transitions. [2020-10-15 02:34:14,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:34:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 8688 transitions. [2020-10-15 02:34:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:14,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:14,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:14,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:34:14,514 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:14,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:14,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1675586819, now seen corresponding path program 1 times [2020-10-15 02:34:14,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:14,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119762780] [2020-10-15 02:34:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:14,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:14,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:14,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:15,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:19,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 02:34:19,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:34:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:34:19,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 02:34:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,774 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:34:19,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 02:34:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:19,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:19,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:19,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:19,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:34:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:19,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:19,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:34:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:34:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:34:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:20,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:20,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:20,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:20,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:20,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:34:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:20,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:34:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:20,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:20,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:20,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:20,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119762780] [2020-10-15 02:34:20,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:20,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-15 02:34:20,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69297177] [2020-10-15 02:34:20,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:34:20,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:20,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:34:20,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:34:20,137 INFO L87 Difference]: Start difference. First operand 6160 states and 8688 transitions. Second operand 17 states. [2020-10-15 02:34:20,564 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2020-10-15 02:34:20,769 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:21,493 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2020-10-15 02:34:21,678 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-15 02:34:21,961 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:22,244 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:22,541 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:34:22,783 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-10-15 02:34:22,997 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:23,275 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:23,501 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:23,785 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-15 02:34:24,232 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-15 02:34:24,480 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:24,722 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:24,986 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-10-15 02:34:25,256 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:25,553 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:25,839 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-15 02:34:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:26,216 INFO L93 Difference]: Finished difference Result 11832 states and 16598 transitions. [2020-10-15 02:34:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 02:34:26,217 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-10-15 02:34:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:26,250 INFO L225 Difference]: With dead ends: 11832 [2020-10-15 02:34:26,250 INFO L226 Difference]: Without dead ends: 8498 [2020-10-15 02:34:26,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=400, Invalid=1160, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:34:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states. [2020-10-15 02:34:26,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 6512. [2020-10-15 02:34:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6512 states. [2020-10-15 02:34:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6512 states to 6512 states and 9164 transitions. [2020-10-15 02:34:26,774 INFO L78 Accepts]: Start accepts. Automaton has 6512 states and 9164 transitions. Word has length 132 [2020-10-15 02:34:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:26,774 INFO L479 AbstractCegarLoop]: Abstraction has 6512 states and 9164 transitions. [2020-10-15 02:34:26,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:34:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 6512 states and 9164 transitions. [2020-10-15 02:34:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:26,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:26,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:26,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:34:26,776 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:26,777 INFO L82 PathProgramCache]: Analyzing trace with hash 82899067, now seen corresponding path program 1 times [2020-10-15 02:34:26,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:26,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471086632] [2020-10-15 02:34:26,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:27,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:27,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 02:34:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 02:34:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:31,984 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:31,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 02:34:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:32,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:34:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:34:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:34:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:34:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:34:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:32,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:32,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:34:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:32,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:32,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:32,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:32,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:32,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:32,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471086632] [2020-10-15 02:34:32,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:32,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 02:34:32,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845542464] [2020-10-15 02:34:32,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:34:32,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:32,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:34:32,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:34:32,289 INFO L87 Difference]: Start difference. First operand 6512 states and 9164 transitions. Second operand 13 states. [2020-10-15 02:34:32,512 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:36,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:36,335 INFO L93 Difference]: Finished difference Result 17701 states and 25085 transitions. [2020-10-15 02:34:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:34:36,336 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 02:34:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:36,375 INFO L225 Difference]: With dead ends: 17701 [2020-10-15 02:34:36,375 INFO L226 Difference]: Without dead ends: 11353 [2020-10-15 02:34:36,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:34:36,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11353 states. [2020-10-15 02:34:37,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11353 to 11210. [2020-10-15 02:34:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11210 states. [2020-10-15 02:34:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11210 states to 11210 states and 15747 transitions. [2020-10-15 02:34:37,223 INFO L78 Accepts]: Start accepts. Automaton has 11210 states and 15747 transitions. Word has length 132 [2020-10-15 02:34:37,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:37,223 INFO L479 AbstractCegarLoop]: Abstraction has 11210 states and 15747 transitions. [2020-10-15 02:34:37,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:34:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 11210 states and 15747 transitions. [2020-10-15 02:34:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:34:37,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:37,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:37,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:34:37,226 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:37,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:37,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1060434117, now seen corresponding path program 1 times [2020-10-15 02:34:37,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:37,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737683241] [2020-10-15 02:34:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:37,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:37,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:34:42,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,463 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:34:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:42,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:42,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:42,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:34:42,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:34:42,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:34:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:34:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:42,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:34:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:34:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:34:42,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:34:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:34:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:34:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:42,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:34:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:34:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:34:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:34:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:34:43,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737683241] [2020-10-15 02:34:43,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:43,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:34:43,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117317631] [2020-10-15 02:34:43,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:34:43,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:43,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:34:43,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:34:43,095 INFO L87 Difference]: Start difference. First operand 11210 states and 15747 transitions. Second operand 25 states. [2020-10-15 02:34:43,608 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2020-10-15 02:34:43,817 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:34:44,026 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:34:44,240 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:34:44,454 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:34:44,684 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:34:44,918 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:34:45,348 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-15 02:34:45,796 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:45,973 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:34:46,293 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:34:46,755 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-10-15 02:34:46,944 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:34:47,680 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:48,258 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:48,815 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-10-15 02:34:49,568 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-10-15 02:34:50,259 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:34:50,467 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:34:55,280 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:34:55,415 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:55,680 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:34:57,993 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:34:59,104 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:34:59,324 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:34:59,539 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:34:59,755 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:34:59,963 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:35:01,341 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:01,495 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:01,645 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:35:02,115 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:03,117 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:03,267 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:03,412 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:03,561 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:03,824 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:05,007 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:05,158 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:05,695 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:06,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:06,908 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:07,052 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:07,189 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:07,610 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:08,489 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:09,000 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:09,146 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:09,716 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:09,876 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:10,024 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:10,475 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:10,853 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:11,016 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:35:11,180 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:11,339 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:11,650 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:11,815 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:12,003 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:12,230 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:12,688 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:12,836 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:12,983 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:13,131 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:13,444 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:13,755 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:35:16,942 INFO L93 Difference]: Finished difference Result 30695 states and 44795 transitions. [2020-10-15 02:35:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2020-10-15 02:35:16,943 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 132 [2020-10-15 02:35:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:35:17,045 INFO L225 Difference]: With dead ends: 30695 [2020-10-15 02:35:17,045 INFO L226 Difference]: Without dead ends: 20461 [2020-10-15 02:35:17,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12542 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=5498, Invalid=27808, Unknown=0, NotChecked=0, Total=33306 [2020-10-15 02:35:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20461 states. [2020-10-15 02:35:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20461 to 16666. [2020-10-15 02:35:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16666 states. [2020-10-15 02:35:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16666 states to 16666 states and 23419 transitions. [2020-10-15 02:35:18,673 INFO L78 Accepts]: Start accepts. Automaton has 16666 states and 23419 transitions. Word has length 132 [2020-10-15 02:35:18,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:35:18,674 INFO L479 AbstractCegarLoop]: Abstraction has 16666 states and 23419 transitions. [2020-10-15 02:35:18,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:35:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16666 states and 23419 transitions. [2020-10-15 02:35:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 02:35:18,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:35:18,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:35:18,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:35:18,677 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:35:18,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:35:18,677 INFO L82 PathProgramCache]: Analyzing trace with hash 378616061, now seen corresponding path program 1 times [2020-10-15 02:35:18,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:35:18,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347101774] [2020-10-15 02:35:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:35:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:18,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:18,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:18,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 02:35:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:23,921 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:35:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:35:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:23,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:35:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:35:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:23,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:35:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:23,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:35:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:35:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:35:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:35:24,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:35:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:35:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:35:24,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:35:24,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:35:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:24,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:35:24,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 02:35:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:35:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:35:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:35:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:35:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-15 02:35:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:24,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-15 02:35:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:24,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:24,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:35:24,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:35:24,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:24,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:35:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:35:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:35:24,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347101774] [2020-10-15 02:35:24,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:35:24,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-15 02:35:24,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961645817] [2020-10-15 02:35:24,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:35:24,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:35:24,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:35:24,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:35:24,586 INFO L87 Difference]: Start difference. First operand 16666 states and 23419 transitions. Second operand 25 states. [2020-10-15 02:35:25,088 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2020-10-15 02:35:25,306 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:35:25,513 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:35:25,730 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:35:25,947 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:35:26,173 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:35:26,407 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:35:26,821 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-10-15 02:35:27,276 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-15 02:35:27,457 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:35:27,967 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:35:28,754 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:35:29,316 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-15 02:35:29,914 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:35:30,598 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-15 02:35:31,236 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:35:31,501 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:35:35,302 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:35:35,548 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:35:35,749 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:40,484 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:35:40,712 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:35:40,940 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:35:41,163 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:35:41,380 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:35:43,607 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:43,834 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:44,050 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:35:44,254 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:35:44,729 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:44,943 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:35:45,145 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:35:45,348 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:35:46,241 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:46,465 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:46,687 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:46,895 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:35:47,365 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:48,444 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:48,590 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:48,737 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:49,203 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:50,032 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:50,573 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-15 02:35:50,724 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:50,870 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:35:51,240 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:35:51,400 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:35:51,544 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:35:52,271 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105