/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 08:03:41,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 08:03:41,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 08:03:41,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 08:03:41,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 08:03:41,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 08:03:41,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 08:03:41,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 08:03:41,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 08:03:41,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 08:03:41,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 08:03:41,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 08:03:41,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 08:03:41,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 08:03:41,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 08:03:41,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 08:03:41,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 08:03:41,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 08:03:41,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 08:03:41,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 08:03:41,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 08:03:41,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 08:03:41,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 08:03:41,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 08:03:41,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 08:03:41,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 08:03:41,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 08:03:41,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 08:03:41,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 08:03:41,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 08:03:41,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 08:03:41,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 08:03:41,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 08:03:41,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 08:03:41,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 08:03:41,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 08:03:41,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 08:03:41,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 08:03:41,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 08:03:41,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 08:03:41,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 08:03:41,667 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 [2020-10-14 08:03:41,704 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 08:03:41,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 08:03:41,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 08:03:41,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 08:03:41,708 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 08:03:41,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 08:03:41,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 08:03:41,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 08:03:41,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 08:03:41,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 08:03:41,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 08:03:41,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 08:03:41,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 08:03:41,711 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 08:03:41,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 08:03:41,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 08:03:41,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 08:03:41,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 08:03:41,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 08:03:41,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 08:03:41,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 08:03:41,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:03:41,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 08:03:41,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 08:03:41,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 08:03:41,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 08:03:41,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 08:03:41,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 08:03:41,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 08:03:41,714 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 08:03:41,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 08:03:42,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 08:03:42,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 08:03:42,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 08:03:42,021 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 08:03:42,022 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-14 08:03:42,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657ee2986/487342b11cfc4ea8846aaf8349ad4e88/FLAG125e49712 [2020-10-14 08:03:42,648 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 08:03:42,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-14 08:03:42,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657ee2986/487342b11cfc4ea8846aaf8349ad4e88/FLAG125e49712 [2020-10-14 08:03:42,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657ee2986/487342b11cfc4ea8846aaf8349ad4e88 [2020-10-14 08:03:42,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 08:03:42,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 08:03:42,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 08:03:42,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 08:03:42,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 08:03:42,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:03:42" (1/1) ... [2020-10-14 08:03:42,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3b79aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:42, skipping insertion in model container [2020-10-14 08:03:42,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:03:42" (1/1) ... [2020-10-14 08:03:43,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 08:03:43,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 08:03:43,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:03:43,431 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 08:03:43,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:03:43,525 INFO L208 MainTranslator]: Completed translation [2020-10-14 08:03:43,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43 WrapperNode [2020-10-14 08:03:43,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 08:03:43,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 08:03:43,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 08:03:43,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 08:03:43,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... [2020-10-14 08:03:43,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 08:03:43,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 08:03:43,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 08:03:43,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 08:03:43,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:03:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 08:03:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 08:03:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 08:03:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-14 08:03:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-14 08:03:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-14 08:03:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 08:03:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 08:03:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-14 08:03:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 08:03:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 08:03:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 08:03:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 08:03:44,532 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 08:03:44,533 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 08:03:44,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:03:44 BoogieIcfgContainer [2020-10-14 08:03:44,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 08:03:44,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 08:03:44,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 08:03:44,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 08:03:44,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:03:42" (1/3) ... [2020-10-14 08:03:44,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ca8fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:03:44, skipping insertion in model container [2020-10-14 08:03:44,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:03:43" (2/3) ... [2020-10-14 08:03:44,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ca8fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:03:44, skipping insertion in model container [2020-10-14 08:03:44,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:03:44" (3/3) ... [2020-10-14 08:03:44,550 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-14 08:03:44,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 08:03:44,565 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 08:03:44,578 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 08:03:44,602 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 08:03:44,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 08:03:44,602 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 08:03:44,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 08:03:44,603 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 08:03:44,603 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 08:03:44,603 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 08:03:44,603 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 08:03:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-14 08:03:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 08:03:44,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:03:44,640 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] [2020-10-14 08:03:44,641 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:03:44,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:03:44,647 INFO L82 PathProgramCache]: Analyzing trace with hash 383071194, now seen corresponding path program 1 times [2020-10-14 08:03:44,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:03:44,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088434359] [2020-10-14 08:03:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:03:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 08:03:45,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-14 08:03:45,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 08:03:45,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:03:45,579 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:03:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:03:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:03:45,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 08:03:45,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:45,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:03:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:03:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:03:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 08:03:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:03:45,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:03:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 08:03:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:03:45,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:03:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:03:45,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 08:03:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:03:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 08:03:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:45,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:03:45,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 08:03:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:03:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 08:03:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:03:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:45,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:03:45,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:03:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:45,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:03:45,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:45,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 08:03:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:45,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:03:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 08:03:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:45,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:45,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:03:45,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:45,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:03:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:45,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:03:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:03:45,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088434359] [2020-10-14 08:03:45,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:03:45,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:03:45,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064348076] [2020-10-14 08:03:45,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:03:45,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:03:46,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:03:46,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:03:46,012 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 9 states. [2020-10-14 08:03:46,667 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-14 08:03:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:03:47,696 INFO L93 Difference]: Finished difference Result 318 states and 482 transitions. [2020-10-14 08:03:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:03:47,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-14 08:03:47,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:03:47,712 INFO L225 Difference]: With dead ends: 318 [2020-10-14 08:03:47,712 INFO L226 Difference]: Without dead ends: 188 [2020-10-14 08:03:47,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:03:47,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-14 08:03:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-14 08:03:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-14 08:03:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 280 transitions. [2020-10-14 08:03:47,779 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 280 transitions. Word has length 75 [2020-10-14 08:03:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:03:47,780 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 280 transitions. [2020-10-14 08:03:47,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:03:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 280 transitions. [2020-10-14 08:03:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 08:03:47,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:03:47,784 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] [2020-10-14 08:03:47,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 08:03:47,785 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:03:47,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:03:47,785 INFO L82 PathProgramCache]: Analyzing trace with hash 584895128, now seen corresponding path program 1 times [2020-10-14 08:03:47,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:03:47,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647933643] [2020-10-14 08:03:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:03:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:47,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:48,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:48,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 08:03:48,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:48,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 767 [2020-10-14 08:03:48,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:48,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:03:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:03:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 08:03:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:48,835 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:03:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:03:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:48,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:48,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:03:48,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:03:48,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:48,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:48,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:03:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:03:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:48,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:03:48,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 08:03:48,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:48,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:03:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:03:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:48,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 08:03:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:48,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:48,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:03:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:03:48,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:03:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:03:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:03:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:03:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:03:49,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:03:49,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:03:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 08:03:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:49,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:03:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:03:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:03:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:03:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:49,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 08:03:49,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:03:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:03:49,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:49,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 08:03:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:03:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:49,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 08:03:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:49,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:49,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:49,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:03:49,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:03:49,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:49,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:03:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:03:49,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647933643] [2020-10-14 08:03:49,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:03:49,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:03:49,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647720928] [2020-10-14 08:03:49,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:03:49,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:03:49,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:03:49,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:03:49,305 INFO L87 Difference]: Start difference. First operand 181 states and 280 transitions. Second operand 15 states. [2020-10-14 08:03:49,595 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:03:49,834 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-14 08:03:50,145 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-14 08:03:50,345 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:03:52,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:03:52,530 INFO L93 Difference]: Finished difference Result 316 states and 474 transitions. [2020-10-14 08:03:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:03:52,531 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 75 [2020-10-14 08:03:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:03:52,534 INFO L225 Difference]: With dead ends: 316 [2020-10-14 08:03:52,534 INFO L226 Difference]: Without dead ends: 188 [2020-10-14 08:03:52,536 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 [2020-10-14 08:03:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-14 08:03:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-14 08:03:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-14 08:03:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 239 transitions. [2020-10-14 08:03:52,562 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 239 transitions. Word has length 75 [2020-10-14 08:03:52,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:03:52,563 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 239 transitions. [2020-10-14 08:03:52,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:03:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 239 transitions. [2020-10-14 08:03:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 08:03:52,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:03:52,571 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] [2020-10-14 08:03:52,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 08:03:52,571 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:03:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:03:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1332407966, now seen corresponding path program 1 times [2020-10-14 08:03:52,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:03:52,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436105932] [2020-10-14 08:03:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:03:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:52,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:52,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:52,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:53,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:57,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:57,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 08:03:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:03:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 08:03:57,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:57,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:03:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 08:03:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 08:03:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 08:03:57,928 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:03:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:03:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:57,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:57,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:57,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:03:57,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:57,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:03:57,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:57,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:57,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:03:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:57,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:03:58,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 08:03:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:03:58,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:03:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:03:58,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:03:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:03:58,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:03:58,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:03:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:03:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:58,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:03:58,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:03:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:03:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:03:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 08:03:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:58,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:03:58,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:03:58,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:03:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:03:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:03:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:58,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 08:03:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:03:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:03:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:03:58,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:03:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:03:58,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:03:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:03:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:03:58,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 08:03:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:03:58,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:03:58,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:03:58,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:03:58,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:03:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:03:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:03:58,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:03:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:03:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:03:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:03:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:03:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:03:58,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436105932] [2020-10-14 08:03:58,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:03:58,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:03:58,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125139040] [2020-10-14 08:03:58,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:03:58,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:03:58,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:03:58,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:03:58,391 INFO L87 Difference]: Start difference. First operand 181 states and 239 transitions. Second operand 12 states. [2020-10-14 08:03:58,623 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:01,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:01,556 INFO L93 Difference]: Finished difference Result 426 states and 594 transitions. [2020-10-14 08:04:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:01,557 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-14 08:04:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:01,563 INFO L225 Difference]: With dead ends: 426 [2020-10-14 08:04:01,564 INFO L226 Difference]: Without dead ends: 304 [2020-10-14 08:04:01,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:01,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-14 08:04:01,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 289. [2020-10-14 08:04:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-10-14 08:04:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 398 transitions. [2020-10-14 08:04:01,601 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 398 transitions. Word has length 115 [2020-10-14 08:04:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:01,602 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 398 transitions. [2020-10-14 08:04:01,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 398 transitions. [2020-10-14 08:04:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 08:04:01,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:01,605 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] [2020-10-14 08:04:01,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 08:04:01,605 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:01,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:01,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1673130864, now seen corresponding path program 1 times [2020-10-14 08:04:01,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:01,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74198388] [2020-10-14 08:04:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:01,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:02,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 08:04:06,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:04:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 08:04:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:06,849 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:06,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:06,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:06,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:06,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:06,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 08:04:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 08:04:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:06,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:06,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:06,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:06,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:06,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:06,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:04:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:06,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:06,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:06,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:06,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:06,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:06,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:04:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:07,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:07,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:07,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 08:04:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:04:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:07,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:07,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:07,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:07,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:07,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:07,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:07,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 08:04:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:07,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:04:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:07,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 08:04:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:07,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:07,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:07,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:07,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:04:07,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74198388] [2020-10-14 08:04:07,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:07,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:07,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289553546] [2020-10-14 08:04:07,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:07,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:07,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:07,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:07,191 INFO L87 Difference]: Start difference. First operand 289 states and 398 transitions. Second operand 12 states. [2020-10-14 08:04:07,417 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:10,118 INFO L93 Difference]: Finished difference Result 749 states and 1064 transitions. [2020-10-14 08:04:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:10,118 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-14 08:04:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:10,123 INFO L225 Difference]: With dead ends: 749 [2020-10-14 08:04:10,123 INFO L226 Difference]: Without dead ends: 519 [2020-10-14 08:04:10,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-10-14 08:04:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 493. [2020-10-14 08:04:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-10-14 08:04:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 696 transitions. [2020-10-14 08:04:10,169 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 696 transitions. Word has length 116 [2020-10-14 08:04:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:10,169 INFO L479 AbstractCegarLoop]: Abstraction has 493 states and 696 transitions. [2020-10-14 08:04:10,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 696 transitions. [2020-10-14 08:04:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 08:04:10,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:10,171 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] [2020-10-14 08:04:10,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 08:04:10,172 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:10,172 INFO L82 PathProgramCache]: Analyzing trace with hash -629226875, now seen corresponding path program 1 times [2020-10-14 08:04:10,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:10,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648431789] [2020-10-14 08:04:10,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 08:04:15,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:04:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:04:15,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 08:04:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 08:04:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,413 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:15,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:15,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:15,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:15,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 08:04:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:04:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:15,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:15,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:15,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:15,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:04:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:04:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:15,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:15,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 08:04:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:04:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:04:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:15,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:15,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 08:04:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:15,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:15,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 08:04:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:15,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:15,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:15,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:15,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:15,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:15,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:15,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:04:15,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648431789] [2020-10-14 08:04:15,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:15,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:15,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455390369] [2020-10-14 08:04:15,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:15,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:15,740 INFO L87 Difference]: Start difference. First operand 493 states and 696 transitions. Second operand 12 states. [2020-10-14 08:04:15,911 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:18,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:18,820 INFO L93 Difference]: Finished difference Result 1357 states and 1942 transitions. [2020-10-14 08:04:18,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:18,825 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-14 08:04:18,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:18,833 INFO L225 Difference]: With dead ends: 1357 [2020-10-14 08:04:18,833 INFO L226 Difference]: Without dead ends: 923 [2020-10-14 08:04:18,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-14 08:04:18,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 877. [2020-10-14 08:04:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-10-14 08:04:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1252 transitions. [2020-10-14 08:04:18,901 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1252 transitions. Word has length 117 [2020-10-14 08:04:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:18,902 INFO L479 AbstractCegarLoop]: Abstraction has 877 states and 1252 transitions. [2020-10-14 08:04:18,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1252 transitions. [2020-10-14 08:04:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 08:04:18,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:18,904 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] [2020-10-14 08:04:18,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 08:04:18,904 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash 125170165, now seen corresponding path program 1 times [2020-10-14 08:04:18,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:18,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212538857] [2020-10-14 08:04:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:19,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:19,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:21,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 08:04:21,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:04:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2883 [2020-10-14 08:04:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:21,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 08:04:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 08:04:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:22,005 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 08:04:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:04:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:22,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:22,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:22,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:22,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:22,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:22,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:22,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:22,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:04:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:22,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:04:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:22,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:04:22,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:04:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 08:04:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:22,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:04:22,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 08:04:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:04:22,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 08:04:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:22,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:22,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:22,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 08:04:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:22,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:22,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:04:22,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212538857] [2020-10-14 08:04:22,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:22,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:22,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672422241] [2020-10-14 08:04:22,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:22,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:22,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:22,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:22,523 INFO L87 Difference]: Start difference. First operand 877 states and 1252 transitions. Second operand 12 states. [2020-10-14 08:04:22,807 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:25,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:25,652 INFO L93 Difference]: Finished difference Result 2497 states and 3574 transitions. [2020-10-14 08:04:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:25,653 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-14 08:04:25,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:25,667 INFO L225 Difference]: With dead ends: 2497 [2020-10-14 08:04:25,667 INFO L226 Difference]: Without dead ends: 1679 [2020-10-14 08:04:25,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:25,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-10-14 08:04:25,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1597. [2020-10-14 08:04:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1597 states. [2020-10-14 08:04:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2284 transitions. [2020-10-14 08:04:25,808 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2284 transitions. Word has length 118 [2020-10-14 08:04:25,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:25,809 INFO L479 AbstractCegarLoop]: Abstraction has 1597 states and 2284 transitions. [2020-10-14 08:04:25,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2284 transitions. [2020-10-14 08:04:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 08:04:25,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:25,812 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] [2020-10-14 08:04:25,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:04:25,812 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:25,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:25,812 INFO L82 PathProgramCache]: Analyzing trace with hash 645825213, now seen corresponding path program 1 times [2020-10-14 08:04:25,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:25,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953750740] [2020-10-14 08:04:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1261 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 08:04:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 08:04:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:27,341 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:27,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:27,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:27,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:27,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:04:27,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:27,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 08:04:27,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:27,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:27,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:27,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:27,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:04:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:27,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:04:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:04:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:27,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 08:04:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:04:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 08:04:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:27,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:27,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:27,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:04:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:27,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:27,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:04:27,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953750740] [2020-10-14 08:04:27,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:27,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:27,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120652981] [2020-10-14 08:04:27,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:27,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:27,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:27,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:27,684 INFO L87 Difference]: Start difference. First operand 1597 states and 2284 transitions. Second operand 12 states. [2020-10-14 08:04:27,870 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:30,949 INFO L93 Difference]: Finished difference Result 4625 states and 6590 transitions. [2020-10-14 08:04:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:30,950 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-14 08:04:30,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:30,966 INFO L225 Difference]: With dead ends: 4625 [2020-10-14 08:04:30,966 INFO L226 Difference]: Without dead ends: 3087 [2020-10-14 08:04:30,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2020-10-14 08:04:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 2941. [2020-10-14 08:04:31,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2941 states. [2020-10-14 08:04:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 4188 transitions. [2020-10-14 08:04:31,236 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 4188 transitions. Word has length 119 [2020-10-14 08:04:31,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:31,237 INFO L479 AbstractCegarLoop]: Abstraction has 2941 states and 4188 transitions. [2020-10-14 08:04:31,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 4188 transitions. [2020-10-14 08:04:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 08:04:31,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:31,239 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] [2020-10-14 08:04:31,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:04:31,239 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:31,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1899023129, now seen corresponding path program 1 times [2020-10-14 08:04:31,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:31,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529602958] [2020-10-14 08:04:31,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:31,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2419 [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:04:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:04:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 08:04:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,949 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:33,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:33,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:33,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:33,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 08:04:33,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:04:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:34,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:04:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 08:04:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:34,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 08:04:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 08:04:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 08:04:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 08:04:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 08:04:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:34,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:04:34,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529602958] [2020-10-14 08:04:34,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:34,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-14 08:04:34,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594824133] [2020-10-14 08:04:34,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 08:04:34,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:34,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 08:04:34,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:04:34,491 INFO L87 Difference]: Start difference. First operand 2941 states and 4188 transitions. Second operand 21 states. [2020-10-14 08:04:34,787 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:04:35,027 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:35,847 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:36,486 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:04:36,721 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:36,938 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:38,013 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:04:38,250 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:04:38,486 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:04:38,754 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:04:38,995 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:04:39,244 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:04:39,489 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:04:40,294 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:04:41,353 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:41,628 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:41,862 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:04:42,122 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:42,374 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:04:42,642 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:42,901 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:04:43,147 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:04:43,395 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:43,657 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:04:43,915 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:44,443 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:04:44,705 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:04:45,251 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-14 08:04:45,494 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:04:48,544 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:48,814 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:49,087 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:49,372 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:49,623 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:49,887 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:50,127 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:50,427 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:04:50,679 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:50,945 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:51,197 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:51,482 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:51,726 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:52,004 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:52,290 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:52,553 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:52,800 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:52,980 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:04:53,390 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:53,642 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:53,911 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:04:54,154 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:54,431 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:54,670 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:04:54,820 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:04:55,218 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:55,467 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:04:55,726 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:55,965 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:04:56,142 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:04:56,417 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:04:56,814 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:04:57,042 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:04:57,195 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:04:57,374 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:04:57,541 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:04:58,257 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:04:58,504 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:04:59,577 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:04:59,745 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:04:59,938 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:05:01,062 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:05:01,246 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:05:04,480 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:04,764 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:05,082 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:05,342 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:05,617 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:05,862 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:06,148 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:06,392 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:06,674 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:06,946 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:07,225 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:07,496 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:07,784 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:08,056 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:08,366 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:08,644 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:08,932 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:09,209 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:09,483 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:09,755 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:10,083 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:10,356 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:10,635 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:10,904 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:11,047 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:05:11,347 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:11,617 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:11,904 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:12,165 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:12,461 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:12,738 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:13,016 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:13,288 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:13,546 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:13,799 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:14,052 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:14,329 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:14,470 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:14,866 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:15,133 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:15,412 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:15,683 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:15,966 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:16,245 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:16,519 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:16,786 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:16,945 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:17,085 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:17,256 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:17,392 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:17,564 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:17,703 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:17,980 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:18,253 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:18,554 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:18,821 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:19,084 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:19,343 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:19,499 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:19,642 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:19,917 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:20,183 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:20,590 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:21,279 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:21,556 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:21,811 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:22,098 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:22,360 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:22,643 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:22,796 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:22,968 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:05:23,128 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:23,424 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:23,724 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:24,147 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:24,423 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:24,573 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:24,854 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:25,286 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:05:25,424 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:26,467 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-14 08:05:26,739 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 08:05:27,135 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:27,422 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:28,318 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:28,616 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:29,944 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:05:43,095 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:05:43,371 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:05:43,570 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:05:43,759 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:43,922 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:05:44,145 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:05:44,340 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:44,516 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:44,875 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:45,045 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:45,199 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:45,402 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:45,604 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:46,449 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-14 08:05:46,653 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:05:48,973 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:05:49,217 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:05:49,465 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-14 08:05:51,595 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-14 08:05:57,277 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:57,492 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:57,666 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:05:57,885 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:58,302 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:58,577 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:58,855 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:59,056 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:59,224 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:59,425 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:05:59,590 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:59,803 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:00,011 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:00,187 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:00,392 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:00,563 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:00,744 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:00,926 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:01,140 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:01,313 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:01,550 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:01,735 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:01,888 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:02,121 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:02,347 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:02,594 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:02,785 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:02,948 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:03,127 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:03,517 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:03,692 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:03,889 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:04,052 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:04,234 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:04,452 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:04,692 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:04,882 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:05,062 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:05,257 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:05,424 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:05,624 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:06,426 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:06,914 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:07,490 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:07,742 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:07,919 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:08,631 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:10,354 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:12,709 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:12,916 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:13,113 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:06:13,287 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:13,614 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:13,954 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:14,357 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:14,565 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:14,743 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:14,945 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:15,114 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,342 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:15,552 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,736 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,955 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:16,136 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:16,349 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:16,543 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:16,764 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:16,956 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:17,283 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:17,476 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:17,648 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:17,963 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:18,202 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:18,465 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:18,682 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:18,858 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:19,053 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:19,231 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:19,477 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:19,653 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:19,852 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:20,023 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:20,217 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:20,399 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:20,657 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:20,856 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:21,040 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:21,238 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:21,424 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:21,668 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:22,164 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:22,353 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:22,574 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:22,780 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:23,084 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:23,268 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:23,491 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:23,721 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:24,002 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:24,203 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:24,396 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:24,590 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:24,776 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:25,010 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:25,742 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:26,176 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:26,563 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:26,771 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:06:26,996 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:27,225 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:29,857 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:30,087 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:30,334 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:06:30,540 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:30,978 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:31,461 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:32,083 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:32,327 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:32,527 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:32,755 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:33,013 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:33,270 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:33,496 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:33,704 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:33,975 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:34,169 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:34,387 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:34,592 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:34,867 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:35,064 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:35,449 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:35,698 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:35,890 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:36,168 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:36,437 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:36,732 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:36,945 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:37,138 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:37,350 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:37,534 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:37,814 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:38,009 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:38,234 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:38,427 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:38,642 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:38,836 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:39,120 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:39,352 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:39,561 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:39,813 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:40,020 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:40,261 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:40,882 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:41,087 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:41,335 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:41,576 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:41,902 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:42,108 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:42,359 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:42,605 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:42,920 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:43,139 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:43,357 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:43,565 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:43,773 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:44,030 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:44,728 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:45,161 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:45,590 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:45,814 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:06:46,056 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:46,293 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:47,486 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-14 08:06:48,994 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:49,366 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:49,642 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:50,099 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:50,581 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:51,129 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:51,398 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:51,617 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:51,873 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:52,089 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:52,379 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:52,641 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:52,911 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:53,203 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:53,452 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:53,730 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:54,009 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:54,289 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:54,523 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:54,959 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:55,240 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:55,454 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:55,771 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:56,101 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:56,430 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:56,678 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:56,892 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:57,125 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:57,336 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:57,655 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:57,977 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:58,241 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:58,473 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:58,731 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:58,955 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:59,286 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:59,539 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:59,798 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:00,065 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:00,285 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:00,566 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:01,154 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:01,368 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:01,641 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:01,905 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:02,247 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:02,474 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:02,741 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:03,011 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:03,340 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:03,567 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:03,829 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:04,065 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:04,296 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:04,581 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:05,269 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:05,743 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:06,192 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:06,438 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:07:06,700 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:06,959 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:08,250 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-14 08:07:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:07:27,815 INFO L93 Difference]: Finished difference Result 165978 states and 245560 transitions. [2020-10-14 08:07:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 684 states. [2020-10-14 08:07:27,817 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 120 [2020-10-14 08:07:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:07:29,026 INFO L225 Difference]: With dead ends: 165978 [2020-10-14 08:07:29,028 INFO L226 Difference]: Without dead ends: 163096 [2020-10-14 08:07:29,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 694 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224741 ImplicationChecksByTransitivity, 109.5s TimeCoverageRelationStatistics Valid=27890, Invalid=455830, Unknown=0, NotChecked=0, Total=483720 [2020-10-14 08:07:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163096 states.