/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-var-start-time.6.2.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:39:25,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:39:25,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:39:25,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:39:25,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:39:25,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:39:25,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:39:25,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:39:25,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:39:25,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:39:25,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:39:25,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:39:25,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:39:25,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:39:25,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:39:25,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:39:25,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:39:25,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:39:25,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:39:25,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:39:25,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:39:25,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:39:25,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:39:25,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:39:25,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:39:25,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:39:25,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:39:25,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:39:25,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:39:25,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:39:25,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:39:25,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:39:25,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:39:25,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:39:25,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:39:25,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:39:25,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:39:25,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:39:25,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:39:25,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:39:25,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:39:25,772 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 02:39:25,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:39:25,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:39:25,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:39:25,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:39:25,819 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:39:25,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:39:25,820 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:39:25,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:39:25,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:39:25,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:39:25,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:39:25,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:39:25,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:39:25,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:39:25,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:39:25,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:39:25,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:39:25,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:39:25,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:39:25,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:39:25,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:39:25,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:39:25,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:39:25,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:39:25,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:39:25,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:39:25,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:39:25,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:39:25,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:39:25,826 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 02:39:26,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:39:26,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:39:26,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:39:26,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:39:26,185 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:39:26,186 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-15 02:39:26,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6d5ef9d3/8628286073fd48b9bc58f12b2f544b83/FLAG2b3880125 [2020-10-15 02:39:26,802 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:39:26,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-15 02:39:26,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6d5ef9d3/8628286073fd48b9bc58f12b2f544b83/FLAG2b3880125 [2020-10-15 02:39:27,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6d5ef9d3/8628286073fd48b9bc58f12b2f544b83 [2020-10-15 02:39:27,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:39:27,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:39:27,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:39:27,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:39:27,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:39:27,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e66d62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27, skipping insertion in model container [2020-10-15 02:39:27,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:39:27,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:39:27,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:39:27,540 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:39:27,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:39:27,627 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:39:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27 WrapperNode [2020-10-15 02:39:27,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:39:27,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:39:27,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:39:27,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:39:27,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (1/1) ... [2020-10-15 02:39:27,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:39:27,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:39:27,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:39:27,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:39:27,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (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 02:39:27,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:39:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:39:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:39:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:39:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:39:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:39:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:39:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:39:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:39:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:39:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:39:28,630 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:39:28,630 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:39:28,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:39:28 BoogieIcfgContainer [2020-10-15 02:39:28,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:39:28,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:39:28,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:39:28,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:39:28,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:39:27" (1/3) ... [2020-10-15 02:39:28,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79930893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:39:28, skipping insertion in model container [2020-10-15 02:39:28,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:27" (2/3) ... [2020-10-15 02:39:28,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79930893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:39:28, skipping insertion in model container [2020-10-15 02:39:28,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:39:28" (3/3) ... [2020-10-15 02:39:28,646 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-15 02:39:28,657 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:39:28,666 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:39:28,680 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:39:28,707 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:39:28,707 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:39:28,707 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:39:28,708 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:39:28,708 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:39:28,708 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:39:28,708 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:39:28,708 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:39:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-10-15 02:39:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-15 02:39:28,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:28,746 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] [2020-10-15 02:39:28,747 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:28,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:28,753 INFO L82 PathProgramCache]: Analyzing trace with hash -624051381, now seen corresponding path program 1 times [2020-10-15 02:39:28,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:28,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047052812] [2020-10-15 02:39:28,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:39:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-15 02:39:29,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:39:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:39:29,705 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:39:29,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:29,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:29,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:29,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:39:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:29,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:39:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:39:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:39:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:29,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:29,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:39:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:29,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:29,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:39:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:29,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:29,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:29,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:39:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:39:29,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:29,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:39:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:29,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:29,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:29,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:39:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:30,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:30,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:30,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:39:30,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:30,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 02:39:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:30,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:30,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:30,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:30,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:30,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:30,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:30,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:39:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:30,064 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 02:39:30,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047052812] [2020-10-15 02:39:30,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:30,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:39:30,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920344516] [2020-10-15 02:39:30,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:39:30,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:30,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:39:30,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:39:30,095 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 9 states. [2020-10-15 02:39:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:39:31,773 INFO L93 Difference]: Finished difference Result 314 states and 471 transitions. [2020-10-15 02:39:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:39:31,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-15 02:39:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:39:31,796 INFO L225 Difference]: With dead ends: 314 [2020-10-15 02:39:31,796 INFO L226 Difference]: Without dead ends: 183 [2020-10-15 02:39:31,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:39:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-15 02:39:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2020-10-15 02:39:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-15 02:39:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 273 transitions. [2020-10-15 02:39:31,867 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 273 transitions. Word has length 74 [2020-10-15 02:39:31,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:39:31,868 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 273 transitions. [2020-10-15 02:39:31,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:39:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 273 transitions. [2020-10-15 02:39:31,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-15 02:39:31,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:31,872 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] [2020-10-15 02:39:31,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:39:31,873 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:31,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:31,873 INFO L82 PathProgramCache]: Analyzing trace with hash -63351603, now seen corresponding path program 1 times [2020-10-15 02:39:31,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:31,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102756885] [2020-10-15 02:39:31,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:31,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 02:39:32,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 628 [2020-10-15 02:39:32,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:39:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:39:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:39:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,840 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:39:32,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:39:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:39:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:32,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:39:32,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:39:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:39:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:32,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:39:32,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:39:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:33,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:39:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:33,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:39:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:39:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:33,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:39:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:33,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-15 02:39:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:33,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:39:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:39:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:33,218 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 02:39:33,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102756885] [2020-10-15 02:39:33,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:33,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 02:39:33,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613416837] [2020-10-15 02:39:33,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 02:39:33,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:33,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 02:39:33,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:39:33,222 INFO L87 Difference]: Start difference. First operand 177 states and 273 transitions. Second operand 15 states. [2020-10-15 02:39:33,459 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:39:33,740 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:39:34,033 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:39:34,228 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:39:36,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:39:36,622 INFO L93 Difference]: Finished difference Result 319 states and 479 transitions. [2020-10-15 02:39:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 02:39:36,623 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 74 [2020-10-15 02:39:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:39:36,627 INFO L225 Difference]: With dead ends: 319 [2020-10-15 02:39:36,627 INFO L226 Difference]: Without dead ends: 195 [2020-10-15 02:39:36,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:39:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-15 02:39:36,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2020-10-15 02:39:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-15 02:39:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2020-10-15 02:39:36,655 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 74 [2020-10-15 02:39:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:39:36,656 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2020-10-15 02:39:36,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 02:39:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2020-10-15 02:39:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-15 02:39:36,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:36,660 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] [2020-10-15 02:39:36,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:39:36,661 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:36,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:36,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1866373315, now seen corresponding path program 1 times [2020-10-15 02:39:36,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:36,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170714532] [2020-10-15 02:39:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:36,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:36,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:36,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:39,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:39,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:41,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:41,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-15 02:39:41,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:39:41,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:39:41,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:41,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:39:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:39:41,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:39:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:39:41,915 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:39:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:41,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:41,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:39:42,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 02:39:42,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:39:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:42,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:39:42,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:39:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:42,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:42,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:39:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:39:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:39:42,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:42,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:39:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:39:42,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:39:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:39:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:39:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:39:42,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:42,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 02:39:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:39:42,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:39:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:39:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:42,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 02:39:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:42,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:42,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:42,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:42,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:42,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:39:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:39:42,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:39:42,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:42,698 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 02:39:42,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170714532] [2020-10-15 02:39:42,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:42,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-15 02:39:42,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588603610] [2020-10-15 02:39:42,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:39:42,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:42,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:39:42,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:39:42,704 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand 22 states. [2020-10-15 02:39:42,960 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:39:43,311 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-15 02:39:43,616 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:39:43,869 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:39:44,147 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:39:44,346 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:39:50,876 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:39:51,056 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:39:51,249 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:39:51,452 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:39:51,673 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:39:51,853 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:40:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:05,288 INFO L93 Difference]: Finished difference Result 1918 states and 2834 transitions. [2020-10-15 02:40:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2020-10-15 02:40:05,289 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 114 [2020-10-15 02:40:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:05,310 INFO L225 Difference]: With dead ends: 1918 [2020-10-15 02:40:05,311 INFO L226 Difference]: Without dead ends: 1800 [2020-10-15 02:40:05,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8156 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=3856, Invalid=18494, Unknown=0, NotChecked=0, Total=22350 [2020-10-15 02:40:05,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2020-10-15 02:40:05,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1626. [2020-10-15 02:40:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2020-10-15 02:40:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2394 transitions. [2020-10-15 02:40:05,496 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2394 transitions. Word has length 114 [2020-10-15 02:40:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:05,496 INFO L479 AbstractCegarLoop]: Abstraction has 1626 states and 2394 transitions. [2020-10-15 02:40:05,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:40:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2394 transitions. [2020-10-15 02:40:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 02:40:05,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:05,503 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] [2020-10-15 02:40:05,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:40:05,504 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:05,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:05,504 INFO L82 PathProgramCache]: Analyzing trace with hash -793378713, now seen corresponding path program 1 times [2020-10-15 02:40:05,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:05,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781111681] [2020-10-15 02:40:05,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 02:40:10,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:40:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:40:10,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-15 02:40:10,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 02:40:10,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:10,810 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:10,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:10,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:10,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:10,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:10,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 02:40:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:40:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:10,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:10,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:10,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:10,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:10,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:10,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:10,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:40:10,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:10,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:10,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:10,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:11,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:40:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:11,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:11,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:11,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:11,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:11,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:11,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:40:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:11,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:11,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:11,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:11,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:11,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 02:40:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:11,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:11,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:11,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:11,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:11,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:40:11,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:11,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:11,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 02:40:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:11,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:11,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:11,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:11,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:11,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:11,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 02:40:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:11,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:11,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:11,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:11,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:11,231 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 02:40:11,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781111681] [2020-10-15 02:40:11,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:11,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:11,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093657456] [2020-10-15 02:40:11,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:11,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:11,234 INFO L87 Difference]: Start difference. First operand 1626 states and 2394 transitions. Second operand 12 states. [2020-10-15 02:40:11,418 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:14,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:14,334 INFO L93 Difference]: Finished difference Result 4732 states and 6963 transitions. [2020-10-15 02:40:14,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:14,335 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-15 02:40:14,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:14,358 INFO L225 Difference]: With dead ends: 4732 [2020-10-15 02:40:14,359 INFO L226 Difference]: Without dead ends: 3165 [2020-10-15 02:40:14,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2020-10-15 02:40:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 3020. [2020-10-15 02:40:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-10-15 02:40:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 4445 transitions. [2020-10-15 02:40:14,596 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 4445 transitions. Word has length 115 [2020-10-15 02:40:14,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:14,597 INFO L479 AbstractCegarLoop]: Abstraction has 3020 states and 4445 transitions. [2020-10-15 02:40:14,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 4445 transitions. [2020-10-15 02:40:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-15 02:40:14,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:14,601 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] [2020-10-15 02:40:14,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:40:14,601 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:14,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1816685747, now seen corresponding path program 1 times [2020-10-15 02:40:14,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:14,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1970765908] [2020-10-15 02:40:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:14,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:16,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 02:40:19,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:40:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:40:19,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 02:40:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 02:40:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:19,836 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:19,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:19,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:19,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:40:19,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:19,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:40:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:19,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:19,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:19,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:19,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:19,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:19,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:19,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:19,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:19,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:19,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:19,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:40:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:20,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:20,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:20,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:20,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:20,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 02:40:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:20,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:20,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:20,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-15 02:40:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:20,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:20,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:20,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:20,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:20,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:20,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:20,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:20,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:20,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:40:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:20,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:20,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:20,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:20,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:20,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:40:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:20,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:20,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:20,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:20,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:20,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:20,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:20,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:20,193 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 02:40:20,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1970765908] [2020-10-15 02:40:20,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:20,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:20,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805759977] [2020-10-15 02:40:20,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:20,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:20,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:20,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:20,196 INFO L87 Difference]: Start difference. First operand 3020 states and 4445 transitions. Second operand 12 states. [2020-10-15 02:40:20,392 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:22,603 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-15 02:40:23,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:23,472 INFO L93 Difference]: Finished difference Result 8872 states and 12997 transitions. [2020-10-15 02:40:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:23,473 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-15 02:40:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:23,506 INFO L225 Difference]: With dead ends: 8872 [2020-10-15 02:40:23,506 INFO L226 Difference]: Without dead ends: 5911 [2020-10-15 02:40:23,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2020-10-15 02:40:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 5649. [2020-10-15 02:40:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5649 states. [2020-10-15 02:40:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5649 states to 5649 states and 8272 transitions. [2020-10-15 02:40:23,931 INFO L78 Accepts]: Start accepts. Automaton has 5649 states and 8272 transitions. Word has length 116 [2020-10-15 02:40:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:23,932 INFO L479 AbstractCegarLoop]: Abstraction has 5649 states and 8272 transitions. [2020-10-15 02:40:23,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5649 states and 8272 transitions. [2020-10-15 02:40:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 02:40:23,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:23,935 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] [2020-10-15 02:40:23,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:40:23,936 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:23,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1406010159, now seen corresponding path program 1 times [2020-10-15 02:40:23,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:23,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741527652] [2020-10-15 02:40:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:23,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:24,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:24,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:28,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:28,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-15 02:40:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:40:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 02:40:28,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:28,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 02:40:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:40:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,154 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:40:29,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:40:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:29,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:40:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:40:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:29,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:29,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:29,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:40:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:40:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:29,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:29,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:29,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:29,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:29,496 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 02:40:29,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741527652] [2020-10-15 02:40:29,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:29,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:29,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067895948] [2020-10-15 02:40:29,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:29,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:29,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:29,503 INFO L87 Difference]: Start difference. First operand 5649 states and 8272 transitions. Second operand 12 states. [2020-10-15 02:40:29,693 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:32,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:32,886 INFO L93 Difference]: Finished difference Result 16613 states and 24190 transitions. [2020-10-15 02:40:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:32,886 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-15 02:40:32,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:32,949 INFO L225 Difference]: With dead ends: 16613 [2020-10-15 02:40:32,949 INFO L226 Difference]: Without dead ends: 11023 [2020-10-15 02:40:32,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11023 states. [2020-10-15 02:40:33,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11023 to 10553. [2020-10-15 02:40:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10553 states. [2020-10-15 02:40:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 15352 transitions. [2020-10-15 02:40:33,668 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 15352 transitions. Word has length 117 [2020-10-15 02:40:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:33,670 INFO L479 AbstractCegarLoop]: Abstraction has 10553 states and 15352 transitions. [2020-10-15 02:40:33,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 15352 transitions. [2020-10-15 02:40:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 02:40:33,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:33,673 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] [2020-10-15 02:40:33,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:40:33,674 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:33,674 INFO L82 PathProgramCache]: Analyzing trace with hash -683819771, now seen corresponding path program 1 times [2020-10-15 02:40:33,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:33,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81277219] [2020-10-15 02:40:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:33,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:34,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:40:37,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:40:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3722 [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 02:40:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:37,679 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:37,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:37,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:40:37,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:37,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:40:37,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:37,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:40:37,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:40:37,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:37,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:37,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:37,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:37,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:37,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:37,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:37,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:37,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:37,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:37,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:40:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:37,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:37,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:37,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:37,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:37,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:37,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:37,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:40:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:38,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:38,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:38,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:38,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:38,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:38,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:38,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:38,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:40:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:38,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:38,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:38,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:38,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:38,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:40:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:38,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:38,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:38,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:38,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:38,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:38,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:38,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:38,121 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 02:40:38,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81277219] [2020-10-15 02:40:38,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:38,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:38,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246948929] [2020-10-15 02:40:38,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:38,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:38,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:38,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:38,129 INFO L87 Difference]: Start difference. First operand 10553 states and 15352 transitions. Second operand 12 states. [2020-10-15 02:40:38,319 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:42,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:42,241 INFO L93 Difference]: Finished difference Result 30981 states and 44802 transitions. [2020-10-15 02:40:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:42,241 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-15 02:40:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:42,333 INFO L225 Difference]: With dead ends: 30981 [2020-10-15 02:40:42,334 INFO L226 Difference]: Without dead ends: 20487 [2020-10-15 02:40:42,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20487 states. [2020-10-15 02:40:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20487 to 19653. [2020-10-15 02:40:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19653 states. [2020-10-15 02:40:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19653 states to 19653 states and 28364 transitions. [2020-10-15 02:40:43,766 INFO L78 Accepts]: Start accepts. Automaton has 19653 states and 28364 transitions. Word has length 118 [2020-10-15 02:40:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:43,766 INFO L479 AbstractCegarLoop]: Abstraction has 19653 states and 28364 transitions. [2020-10-15 02:40:43,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 19653 states and 28364 transitions. [2020-10-15 02:40:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:40:43,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:43,771 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] [2020-10-15 02:40:43,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:40:43,771 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:43,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:43,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1116202860, now seen corresponding path program 1 times [2020-10-15 02:40:43,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:43,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113686523] [2020-10-15 02:40:43,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:43,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:45,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:40:45,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 02:40:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,000 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:46,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:40:46,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:46,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:46,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:40:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:40:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:46,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:46,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:46,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 02:40:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:46,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:46,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:46,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:46,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:46,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:46,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:40:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:40:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 02:40:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:46,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:46,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:46,316 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 02:40:46,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113686523] [2020-10-15 02:40:46,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:46,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:46,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26137725] [2020-10-15 02:40:46,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:46,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:46,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:46,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:46,318 INFO L87 Difference]: Start difference. First operand 19653 states and 28364 transitions. Second operand 12 states. [2020-10-15 02:40:46,514 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:50,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:50,851 INFO L93 Difference]: Finished difference Result 57705 states and 82622 transitions. [2020-10-15 02:40:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:50,851 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-15 02:40:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:50,999 INFO L225 Difference]: With dead ends: 57705 [2020-10-15 02:40:50,999 INFO L226 Difference]: Without dead ends: 38111 [2020-10-15 02:40:51,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:51,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38111 states. [2020-10-15 02:40:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38111 to 36653. [2020-10-15 02:40:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36653 states. [2020-10-15 02:40:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36653 states to 36653 states and 52236 transitions. [2020-10-15 02:40:53,513 INFO L78 Accepts]: Start accepts. Automaton has 36653 states and 52236 transitions. Word has length 119 [2020-10-15 02:40:53,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:53,513 INFO L479 AbstractCegarLoop]: Abstraction has 36653 states and 52236 transitions. [2020-10-15 02:40:53,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 36653 states and 52236 transitions. [2020-10-15 02:40:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 02:40:53,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:53,514 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] [2020-10-15 02:40:53,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:40:53,515 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:53,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:53,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1546920900, now seen corresponding path program 1 times [2020-10-15 02:40:53,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:53,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285169915] [2020-10-15 02:40:53,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:53,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 02:40:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:40:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-15 02:40:54,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:40:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:40:54,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-15 02:40:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,721 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:54,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:54,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:54,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:40:54,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 02:40:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:54,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:54,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:40:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:54,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 02:40:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:55,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:40:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:55,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:55,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:55,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:55,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:55,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:40:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:55,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:40:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:55,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:55,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:55,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:55,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:55,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:40:55,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:55,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:55,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:55,227 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 02:40:55,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285169915] [2020-10-15 02:40:55,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:55,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-15 02:40:55,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788113545] [2020-10-15 02:40:55,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 02:40:55,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:55,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 02:40:55,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:40:55,229 INFO L87 Difference]: Start difference. First operand 36653 states and 52236 transitions. Second operand 21 states. [2020-10-15 02:40:55,731 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:55,965 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:40:56,751 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:40:57,296 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:57,513 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:40:57,718 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:40:58,701 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:40:58,929 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:40:59,147 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:59,371 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:40:59,609 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:59,850 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:00,079 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:01,875 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:02,287 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:02,514 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:02,752 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:02,993 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:03,223 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:03,457 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:03,711 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:03,946 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:04,176 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:04,406 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:04,654 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:04,887 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:05,397 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:41:05,638 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:06,949 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:41:07,128 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-15 02:41:08,807 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:09,076 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:09,496 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:09,758 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:09,989 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:10,239 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:10,473 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:10,725 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:10,951 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:11,224 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:11,462 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:11,706 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:11,941 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:12,191 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:12,420 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:12,683 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:12,917 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:13,168 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:13,397 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:13,665 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:13,889 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:14,197 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:14,447 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:14,684 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:14,949 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:15,177 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:15,438 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:15,672 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:16,133 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:16,376 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:16,603 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:16,752 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:17,026 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:17,300 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:17,709 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:17,954 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:18,089 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:18,632 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:19,187 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:19,474 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:20,371 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:23,732 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:23,986 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:24,281 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:24,555 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:24,826 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:25,111 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:25,529 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:25,806 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:26,070 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:26,316 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:26,585 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:26,845 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:27,109 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:27,374 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:27,633 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:27,902 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:28,193 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:28,462 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:28,727 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:28,988 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:29,236 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:29,507 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:29,788 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:30,050 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:30,302 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:30,561 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:30,833 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:31,085 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:31,357 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:31,601 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:31,738 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:32,039 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:32,297 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:32,558 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:32,822 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:33,816 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:34,074 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:34,339 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:34,603 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:34,878 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:35,129 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:35,403 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:35,655 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:35,950 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:36,219 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:36,486 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:36,757 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:37,009 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:37,281 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:37,527 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:37,683 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:37,838 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:38,113 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:38,362 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:38,504 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:38,660 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:38,803 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:38,961 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:39,110 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:39,260 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:39,569 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:39,841 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:40,119 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:40,382 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:40,654 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:40,906 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:41,197 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:41,473 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:41,726 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:42,008 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,296 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,464 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:42,639 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,933 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:43,189 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:43,468 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:43,772 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:44,071 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:44,356 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:44,517 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:44,663 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:45,265 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:41:45,532 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:41:45,808 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:46,094 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:46,661 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:47,612 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:48,545 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:02,252 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,497 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,706 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,899 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:03,084 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:03,255 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:03,454 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,643 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,826 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,016 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:04,219 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,394 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,573 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,752 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:04,946 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,122 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,298 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:05,490 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,655 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:05,842 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:06,026 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:06,228 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,397 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,573 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:06,753 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,921 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,090 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:07,275 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,437 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:07,619 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,861 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:08,052 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:08,224 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:08,404 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:08,582 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:08,775 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:09,038 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,273 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,491 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:09,700 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,915 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:10,171 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:42:10,347 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:10,528 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:42:12,445 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:12,641 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:12,881 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:16,935 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,361 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,643 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,863 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:18,057 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:18,258 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:18,536 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:18,758 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:18,967 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:19,179 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:19,407 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:19,638 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:19,837 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,045 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:20,265 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,457 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,654 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:20,870 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:21,051 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:21,264 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:21,490 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:21,729 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:21,920 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:22,113 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:22,315 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:22,501 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:22,694 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:22,903 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:23,094 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:23,298 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:23,609 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:23,818 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:24,005 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:24,207 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:24,391 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:24,584 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:24,830 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:25,027 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:25,228 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:25,470 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:25,725 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:26,048 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:26,245 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:26,438 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:26,623 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:26,822 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:27,049 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,244 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,441 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:27,678 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,906 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:28,195 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:28,405 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:28,652 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:28,892 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:29,240 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:29,717 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:29,921 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:30,156 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:30,382 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:30,673 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:31,082 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:31,913 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-15 02:42:34,362 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:34,796 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:35,111 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:35,373 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:35,613 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:35,838 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:36,198 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,488 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,729 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,979 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:37,235 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:37,472 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:37,689 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:37,918 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:38,167 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:38,394 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:38,628 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:38,868 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:39,070 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:39,311 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:39,567 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:39,874 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:40,106 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:40,407 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:40,639 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:40,842 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:41,078 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:41,304 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:41,509 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:41,742 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:42,044 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:42,286 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:42,507 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:42,746 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:42,949 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:43,163 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:43,433 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:43,663 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:43,883 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:44,173 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:44,465 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:44,826 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:45,052 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:45,273 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:45,497 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:45,709 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:45,965 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,187 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,408 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:46,651 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,904 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:47,234 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:47,451 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:47,700 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:47,961 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:48,347 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:48,926 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:49,156 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:49,390 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:49,628 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:49,955 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:50,447 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:51,406 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-15 02:42:55,267 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:56,030 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:56,551 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:56,982 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:57,412 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:57,808 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:58,308 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:58,635 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:58,904 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:59,180 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:59,461 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:59,736 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:59,974 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:00,249 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:00,634 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:00,874 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:01,125 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:01,382 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:01,543 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:01,732 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:43:01,925 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:43:02,180 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:02,388 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:02,613 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:02,844 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:03,049 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:03,258 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:03,488 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:03,688 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:03,910 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:04,188 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:04,413 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:04,627 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:04,861 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:05,068 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:05,282 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:05,518 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:05,747 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:05,969 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:06,242 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:06,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:06,925 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:07,151 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:07,377 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:43:07,586 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:43:07,799 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95