/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.6.2.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 08:04:09,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 08:04:09,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 08:04:09,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 08:04:09,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 08:04:09,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 08:04:09,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 08:04:09,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 08:04:09,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 08:04:09,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 08:04:09,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 08:04:09,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 08:04:09,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 08:04:09,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 08:04:09,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 08:04:09,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 08:04:09,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 08:04:09,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 08:04:09,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 08:04:09,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 08:04:09,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 08:04:09,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 08:04:09,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 08:04:09,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 08:04:09,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 08:04:09,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 08:04:09,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 08:04:09,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 08:04:09,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 08:04:09,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 08:04:09,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 08:04:09,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 08:04:09,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 08:04:09,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 08:04:09,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 08:04:09,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 08:04:09,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 08:04:09,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 08:04:09,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 08:04:09,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 08:04:09,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 08:04:09,792 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 08:04:09,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 08:04:09,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 08:04:09,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 08:04:09,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 08:04:09,837 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 08:04:09,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 08:04:09,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 08:04:09,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 08:04:09,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 08:04:09,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 08:04:09,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 08:04:09,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 08:04:09,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 08:04:09,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 08:04:09,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 08:04:09,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 08:04:09,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 08:04:09,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 08:04:09,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 08:04:09,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 08:04:09,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 08:04:09,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:04:09,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 08:04:09,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 08:04:09,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 08:04:09,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 08:04:09,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 08:04:09,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 08:04:09,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 08:04:09,843 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 08:04:10,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 08:04:10,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 08:04:10,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 08:04:10,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 08:04:10,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 08:04:10,164 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-14 08:04:10,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d98be3731/bccd38a91186479eb69cc49d89516990/FLAG233b76a12 [2020-10-14 08:04:10,745 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 08:04:10,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-14 08:04:10,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d98be3731/bccd38a91186479eb69cc49d89516990/FLAG233b76a12 [2020-10-14 08:04:11,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d98be3731/bccd38a91186479eb69cc49d89516990 [2020-10-14 08:04:11,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 08:04:11,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 08:04:11,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 08:04:11,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 08:04:11,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 08:04:11,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6b28ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11, skipping insertion in model container [2020-10-14 08:04:11,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 08:04:11,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 08:04:11,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:04:11,414 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 08:04:11,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:04:11,586 INFO L208 MainTranslator]: Completed translation [2020-10-14 08:04:11,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11 WrapperNode [2020-10-14 08:04:11,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 08:04:11,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 08:04:11,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 08:04:11,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 08:04:11,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (1/1) ... [2020-10-14 08:04:11,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 08:04:11,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 08:04:11,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 08:04:11,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 08:04:11,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (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 08:04:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 08:04:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 08:04:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-14 08:04:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-14 08:04:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 08:04:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 08:04:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 08:04:11,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 08:04:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 08:04:11,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 08:04:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-14 08:04:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-14 08:04:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-14 08:04:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-14 08:04:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-14 08:04:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-14 08:04:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 08:04:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 08:04:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 08:04:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 08:04:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 08:04:12,468 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 08:04:12,468 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 08:04:12,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:04:12 BoogieIcfgContainer [2020-10-14 08:04:12,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 08:04:12,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 08:04:12,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 08:04:12,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 08:04:12,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:04:11" (1/3) ... [2020-10-14 08:04:12,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd2ff79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:04:12, skipping insertion in model container [2020-10-14 08:04:12,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:11" (2/3) ... [2020-10-14 08:04:12,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd2ff79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:04:12, skipping insertion in model container [2020-10-14 08:04:12,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:04:12" (3/3) ... [2020-10-14 08:04:12,483 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-14 08:04:12,494 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 08:04:12,502 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 08:04:12,516 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 08:04:12,545 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 08:04:12,545 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 08:04:12,545 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 08:04:12,545 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 08:04:12,546 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 08:04:12,546 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 08:04:12,546 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 08:04:12,547 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 08:04:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-10-14 08:04:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-14 08:04:12,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:12,583 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:04:12,584 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:12,591 INFO L82 PathProgramCache]: Analyzing trace with hash -624051381, now seen corresponding path program 1 times [2020-10-14 08:04:12,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:12,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989019185] [2020-10-14 08:04:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 08:04:13,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-14 08:04:13,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 08:04:13,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:04:13,577 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:13,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:04:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:13,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:13,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 08:04:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:13,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:13,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 08:04:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:04:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:13,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:04:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:13,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:04:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:04:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:13,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 08:04:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 08:04:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:13,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:13,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 08:04:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:13,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:13,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:13,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:13,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:13,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:13,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:04:13,968 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 08:04:13,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989019185] [2020-10-14 08:04:13,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:13,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:04:13,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686544733] [2020-10-14 08:04:13,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:04:13,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:13,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:04:13,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:04:13,996 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 9 states. [2020-10-14 08:04:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:15,588 INFO L93 Difference]: Finished difference Result 314 states and 471 transitions. [2020-10-14 08:04:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:04:15,589 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-14 08:04:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:15,602 INFO L225 Difference]: With dead ends: 314 [2020-10-14 08:04:15,602 INFO L226 Difference]: Without dead ends: 183 [2020-10-14 08:04:15,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:04:15,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-14 08:04:15,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2020-10-14 08:04:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-14 08:04:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 273 transitions. [2020-10-14 08:04:15,667 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 273 transitions. Word has length 74 [2020-10-14 08:04:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:15,668 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 273 transitions. [2020-10-14 08:04:15,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:04:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 273 transitions. [2020-10-14 08:04:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-14 08:04:15,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:15,672 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:04:15,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 08:04:15,673 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:15,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:15,673 INFO L82 PathProgramCache]: Analyzing trace with hash -63351603, now seen corresponding path program 1 times [2020-10-14 08:04:15,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:15,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368013151] [2020-10-14 08:04:15,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 08:04:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-14 08:04:16,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:04:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:04:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 08:04:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,504 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:16,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:04:16,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:16,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 08:04:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:16,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:04:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:04:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:16,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:04:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:04:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:04:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 08:04:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 08:04:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:16,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:04:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 08:04:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:16,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:16,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:16,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:04:16,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:16,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:16,876 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 08:04:16,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368013151] [2020-10-14 08:04:16,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:16,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:04:16,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512365767] [2020-10-14 08:04:16,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:04:16,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:16,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:04:16,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:04:16,881 INFO L87 Difference]: Start difference. First operand 177 states and 273 transitions. Second operand 15 states. [2020-10-14 08:04:17,099 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-14 08:04:17,297 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-14 08:04:17,578 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 08:04:17,788 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-14 08:04:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:19,956 INFO L93 Difference]: Finished difference Result 319 states and 479 transitions. [2020-10-14 08:04:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:04:19,957 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 74 [2020-10-14 08:04:19,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:19,967 INFO L225 Difference]: With dead ends: 319 [2020-10-14 08:04:19,967 INFO L226 Difference]: Without dead ends: 195 [2020-10-14 08:04:19,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-14 08:04:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-14 08:04:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2020-10-14 08:04:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-14 08:04:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2020-10-14 08:04:20,042 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 74 [2020-10-14 08:04:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:20,042 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2020-10-14 08:04:20,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:04:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2020-10-14 08:04:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 08:04:20,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:20,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:04:20,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 08:04:20,053 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:20,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:20,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1866373315, now seen corresponding path program 1 times [2020-10-14 08:04:20,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:20,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633913012] [2020-10-14 08:04:20,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:20,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:20,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:20,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 08:04:25,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:04:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-14 08:04:25,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 08:04:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 08:04:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:04:25,371 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:25,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:04:25,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:25,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 08:04:25,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 08:04:25,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:25,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:25,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:25,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:25,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:25,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:25,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:25,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:25,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 08:04:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:04:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:25,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:04:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:25,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:04:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:25,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 08:04:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:25,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:25,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:25,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:25,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:25,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:25,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:25,780 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 08:04:25,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633913012] [2020-10-14 08:04:25,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:25,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:25,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309051637] [2020-10-14 08:04:25,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:25,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:25,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:25,784 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand 12 states. [2020-10-14 08:04:25,955 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:28,507 INFO L93 Difference]: Finished difference Result 412 states and 571 transitions. [2020-10-14 08:04:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:28,510 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-14 08:04:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:28,518 INFO L225 Difference]: With dead ends: 412 [2020-10-14 08:04:28,518 INFO L226 Difference]: Without dead ends: 294 [2020-10-14 08:04:28,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-14 08:04:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 281. [2020-10-14 08:04:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-14 08:04:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 384 transitions. [2020-10-14 08:04:28,573 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 384 transitions. Word has length 114 [2020-10-14 08:04:28,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:28,574 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 384 transitions. [2020-10-14 08:04:28,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 384 transitions. [2020-10-14 08:04:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 08:04:28,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:28,577 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 08:04:28,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 08:04:28,578 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:28,578 INFO L82 PathProgramCache]: Analyzing trace with hash -952532864, now seen corresponding path program 1 times [2020-10-14 08:04:28,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:28,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792230569] [2020-10-14 08:04:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:28,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:28,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:28,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:28,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:30,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 08:04:33,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:04:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 08:04:33,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 08:04:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 08:04:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,811 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:33,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:33,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:33,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:33,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:04:33,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:04:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:33,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:33,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:33,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:33,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:33,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:33,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:33,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:33,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:33,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 08:04:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:33,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:33,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:33,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:33,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:33,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:33,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:04:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:34,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:34,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:04:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,030 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: 11 [2020-10-14 08:04:34,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [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: 4 [2020-10-14 08:04:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:04:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:34,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:34,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:34,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 08:04:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:34,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:34,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:34,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:34,130 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 08:04:34,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792230569] [2020-10-14 08:04:34,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:34,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:34,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240887527] [2020-10-14 08:04:34,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:34,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:34,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:34,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:34,133 INFO L87 Difference]: Start difference. First operand 281 states and 384 transitions. Second operand 12 states. [2020-10-14 08:04:34,309 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:36,744 INFO L93 Difference]: Finished difference Result 721 states and 1018 transitions. [2020-10-14 08:04:36,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:36,746 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-14 08:04:36,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:36,750 INFO L225 Difference]: With dead ends: 721 [2020-10-14 08:04:36,750 INFO L226 Difference]: Without dead ends: 499 [2020-10-14 08:04:36,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-14 08:04:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 477. [2020-10-14 08:04:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-14 08:04:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 668 transitions. [2020-10-14 08:04:36,791 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 668 transitions. Word has length 115 [2020-10-14 08:04:36,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:36,792 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 668 transitions. [2020-10-14 08:04:36,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 668 transitions. [2020-10-14 08:04:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 08:04:36,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:36,794 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 08:04:36,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 08:04:36,794 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:36,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1975839898, now seen corresponding path program 1 times [2020-10-14 08:04:36,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:36,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490241584] [2020-10-14 08:04:36,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:37,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:41,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:41,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 08:04:41,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:04:41,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 08:04:41,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:41,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-14 08:04:41,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 08:04:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,033 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:42,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:42,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:04:42,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:04:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:42,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:42,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:42,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:42,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:42,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:42,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:42,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:42,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 08:04:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:42,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:42,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:42,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:04:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:42,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:04:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:42,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:42,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:42,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:42,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:42,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:04:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 08:04:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:42,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:04:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:42,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:42,346 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 08:04:42,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490241584] [2020-10-14 08:04:42,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:42,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:42,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665359559] [2020-10-14 08:04:42,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:42,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:42,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:42,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:42,350 INFO L87 Difference]: Start difference. First operand 477 states and 668 transitions. Second operand 12 states. [2020-10-14 08:04:42,525 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:45,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:45,008 INFO L93 Difference]: Finished difference Result 1301 states and 1850 transitions. [2020-10-14 08:04:45,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:45,010 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-14 08:04:45,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:45,015 INFO L225 Difference]: With dead ends: 1301 [2020-10-14 08:04:45,016 INFO L226 Difference]: Without dead ends: 883 [2020-10-14 08:04:45,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-14 08:04:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 845. [2020-10-14 08:04:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-10-14 08:04:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1196 transitions. [2020-10-14 08:04:45,080 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1196 transitions. Word has length 116 [2020-10-14 08:04:45,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:45,081 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 1196 transitions. [2020-10-14 08:04:45,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1196 transitions. [2020-10-14 08:04:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-14 08:04:45,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:45,083 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 08:04:45,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 08:04:45,083 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:45,083 INFO L82 PathProgramCache]: Analyzing trace with hash -689015262, now seen corresponding path program 1 times [2020-10-14 08:04:45,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:45,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183760511] [2020-10-14 08:04:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:45,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 08:04:47,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 08:04:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:47,426 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:47,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:47,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:04:47,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:04:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:04:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:47,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:47,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:47,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:47,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:47,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:47,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:47,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:47,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:47,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 08:04:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:47,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:04:47,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 08:04:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:47,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:04:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:47,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:04:47,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:47,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 08:04:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:47,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:47,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 08:04:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:47,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:47,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:47,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:47,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:47,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:47,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:47,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:47,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:47,879 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 08:04:47,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183760511] [2020-10-14 08:04:47,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:47,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:47,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366826485] [2020-10-14 08:04:47,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:47,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:47,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:47,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:47,884 INFO L87 Difference]: Start difference. First operand 845 states and 1196 transitions. Second operand 12 states. [2020-10-14 08:04:48,128 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:51,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:51,064 INFO L93 Difference]: Finished difference Result 2385 states and 3390 transitions. [2020-10-14 08:04:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:51,064 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-14 08:04:51,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:51,078 INFO L225 Difference]: With dead ends: 2385 [2020-10-14 08:04:51,078 INFO L226 Difference]: Without dead ends: 1599 [2020-10-14 08:04:51,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:51,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2020-10-14 08:04:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1533. [2020-10-14 08:04:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-10-14 08:04:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2172 transitions. [2020-10-14 08:04:51,222 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2172 transitions. Word has length 117 [2020-10-14 08:04:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:51,223 INFO L479 AbstractCegarLoop]: Abstraction has 1533 states and 2172 transitions. [2020-10-14 08:04:51,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2172 transitions. [2020-10-14 08:04:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 08:04:51,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:51,226 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 08:04:51,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:04:51,226 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:51,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:51,227 INFO L82 PathProgramCache]: Analyzing trace with hash -842973922, now seen corresponding path program 1 times [2020-10-14 08:04:51,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:51,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600784950] [2020-10-14 08:04:51,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:51,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 08:04:52,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 08:04:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,566 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:52,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:52,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 08:04:52,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:52,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 08:04:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:52,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:52,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:52,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:52,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:52,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:04:52,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:52,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:52,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:04:52,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:04:52,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 08:04:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:52,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:52,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 08:04:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:52,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:52,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 08:04:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:52,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:04:52,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 08:04:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:04:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:04:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 08:04:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:52,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:04:52,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:52,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:52,923 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 08:04:52,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600784950] [2020-10-14 08:04:52,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:52,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:04:52,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135860030] [2020-10-14 08:04:52,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:04:52,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:04:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:04:52,925 INFO L87 Difference]: Start difference. First operand 1533 states and 2172 transitions. Second operand 12 states. [2020-10-14 08:04:53,107 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:04:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:04:55,939 INFO L93 Difference]: Finished difference Result 4401 states and 6222 transitions. [2020-10-14 08:04:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 08:04:55,940 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-14 08:04:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:04:55,954 INFO L225 Difference]: With dead ends: 4401 [2020-10-14 08:04:55,955 INFO L226 Difference]: Without dead ends: 2927 [2020-10-14 08:04:55,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-14 08:04:55,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2927 states. [2020-10-14 08:04:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2927 to 2813. [2020-10-14 08:04:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-14 08:04:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3964 transitions. [2020-10-14 08:04:56,172 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3964 transitions. Word has length 118 [2020-10-14 08:04:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:04:56,172 INFO L479 AbstractCegarLoop]: Abstraction has 2813 states and 3964 transitions. [2020-10-14 08:04:56,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:04:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3964 transitions. [2020-10-14 08:04:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 08:04:56,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:04:56,174 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 08:04:56,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:04:56,175 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:04:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:04:56,175 INFO L82 PathProgramCache]: Analyzing trace with hash 972035526, now seen corresponding path program 1 times [2020-10-14 08:04:56,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:04:56,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492288489] [2020-10-14 08:04:56,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:04:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:56,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:56,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 08:04:58,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:04:58,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2123 [2020-10-14 08:04:58,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:04:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:04:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 08:04:58,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:58,609 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:04:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:04:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:04:58,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:04:58,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 08:04:58,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:04:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:04:58,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:04:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:04:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:04:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:58,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:58,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:58,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:04:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:04:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:04:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:58,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:58,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:04:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:58,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:04:58,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:04:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 08:04:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:58,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:04:58,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:58,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:04:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:59,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:04:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:04:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:59,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 08:04:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:59,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:59,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:04:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 08:04:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:04:59,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:59,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:04:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:04:59,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:04:59,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:04:59,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:04:59,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:04:59,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:04:59,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:04:59,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:04:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:04:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:04:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:04:59,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:04:59,171 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 08:04:59,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492288489] [2020-10-14 08:04:59,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:04:59,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-14 08:04:59,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728231394] [2020-10-14 08:04:59,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 08:04:59,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:04:59,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 08:04:59,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:04:59,173 INFO L87 Difference]: Start difference. First operand 2813 states and 3964 transitions. Second operand 21 states. [2020-10-14 08:04:59,443 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:04:59,676 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:00,478 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:01,041 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:01,252 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:01,482 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:02,483 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:05:02,705 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:02,912 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:03,141 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:03,384 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:03,618 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:03,841 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:05,535 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:05,787 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:06,004 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:05:06,229 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:06,458 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:05:06,686 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:06,916 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-14 08:05:07,167 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:05:07,410 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:07,625 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:05:07,853 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:08,095 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:05:08,319 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 08:05:08,602 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:05:08,841 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-14 08:05:09,060 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-14 08:05:12,076 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:12,339 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:12,576 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:12,845 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:13,077 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:13,321 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:13,550 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:13,797 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 08:05:14,013 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:14,280 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:14,513 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:14,744 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:14,970 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:15,213 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:15,440 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:15,690 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:15,914 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:16,186 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:16,398 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:16,669 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:16,888 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:17,399 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:17,622 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:17,853 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:18,069 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:18,308 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:18,530 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:19,032 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:19,249 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:19,939 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:05:20,300 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:20,524 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:26,079 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:26,336 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:26,618 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:26,875 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:27,135 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:27,383 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:27,624 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:27,873 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:28,121 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 08:05:28,373 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 08:05:28,640 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:28,918 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:29,201 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:29,458 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:29,701 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:29,961 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:30,232 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:30,493 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:30,738 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:30,985 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:31,223 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:31,480 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:31,757 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:32,006 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:32,287 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:32,544 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:32,832 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:33,074 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:33,325 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 08:05:33,556 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 08:05:33,949 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:34,194 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:34,437 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:34,683 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:34,939 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:35,242 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:35,483 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:35,731 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:35,982 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:36,228 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:36,476 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:36,738 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:37,015 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:37,263 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:37,511 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:37,763 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:37,997 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:38,243 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:38,475 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:38,752 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:39,007 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 08:05:39,237 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-14 08:05:39,504 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:39,776 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:05:40,286 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:40,534 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:40,787 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:41,059 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:41,309 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:41,545 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:41,816 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:42,066 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:42,302 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:42,821 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:43,346 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-14 08:05:43,583 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-14 08:05:44,109 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:05:45,525 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-14 08:05:45,774 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-14 08:06:00,259 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:06:00,459 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:06:00,635 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:06:00,800 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-14 08:06:00,958 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:12,208 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:12,539 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:12,755 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:12,932 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:13,094 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:06:13,253 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:13,455 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:13,629 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:13,796 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:14,379 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:14,542 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:14,880 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,035 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,193 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:15,369 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:15,844 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:16,178 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:16,647 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:17,637 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:19,784 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:23,107 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:25,976 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:26,322 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:26,558 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:26,748 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:26,926 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:06:27,098 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:27,349 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:27,558 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:27,742 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:27,922 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:28,106 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:28,293 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:28,457 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:28,624 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:28,803 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:28,970 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:29,140 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:29,323 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:29,484 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:29,659 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:29,833 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:30,036 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:30,197 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:30,366 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:30,546 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:30,710 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:30,882 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:31,053 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:31,583 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:31,760 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:31,926 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:32,098 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:32,320 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:32,693 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:32,861 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:33,031 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:33,235 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:33,449 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:33,703 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:35,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:40,472 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:40,821 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:41,082 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:41,283 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:41,477 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 08:06:41,649 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:41,952 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:42,162 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:42,349 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:42,543 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:42,741 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:42,936 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:43,114 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:43,303 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:43,496 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:43,670 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:43,852 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:44,047 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:44,213 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:44,400 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:44,587 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:44,800 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:44,984 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:45,190 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:45,373 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:45,549 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:45,728 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:45,987 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:46,149 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:46,329 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:46,557 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:46,737 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:46,899 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:47,080 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:47,242 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:47,416 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:47,634 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:47,811 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:47,987 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:06:48,203 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:48,434 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:06:48,696 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:48,872 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:49,052 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:49,225 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:49,398 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:49,595 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:49,777 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:49,950 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:50,155 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:50,365 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:50,629 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:50,810 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:06:51,017 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:51,509 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:06:53,196 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:06:55,952 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:56,335 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:56,591 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:56,821 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:57,046 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-14 08:06:57,365 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:57,599 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:57,810 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:58,016 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:58,231 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:58,446 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:58,658 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:58,857 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:59,079 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:59,268 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:59,457 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:06:59,680 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:06:59,864 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:07:00,069 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 08:07:00,272 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 08:07:00,509 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:00,819 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:01,008 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:01,209 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:01,393 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:01,577 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:01,777 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:01,952 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:02,150 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:02,392 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:02,604 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:02,789 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:02,997 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:03,178 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:03,376 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:03,626 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:03,827 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:04,024 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-14 08:07:04,274 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:04,531 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 08:07:04,819 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:05,012 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:05,204 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:05,387 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:05,570 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:05,793 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:05,992 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:06,190 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:06,412 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:06,638 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:06,932 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:07,152 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:07,373 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:07,597 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:07,925 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:07:08,379 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:08,687 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:07:08,903 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:09,123 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:09,377 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:09,756 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-14 08:07:10,506 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-14 08:07:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:07:27,103 INFO L93 Difference]: Finished difference Result 157843 states and 233326 transitions. [2020-10-14 08:07:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 684 states. [2020-10-14 08:07:27,105 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 119 [2020-10-14 08:07:27,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:07:27,788 INFO L225 Difference]: With dead ends: 157843 [2020-10-14 08:07:27,789 INFO L226 Difference]: Without dead ends: 155089 [2020-10-14 08:07:27,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 694 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224726 ImplicationChecksByTransitivity, 97.5s TimeCoverageRelationStatistics Valid=27890, Invalid=455830, Unknown=0, NotChecked=0, Total=483720 [2020-10-14 08:07:28,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155089 states. [2020-10-14 08:07:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155089 to 152456. [2020-10-14 08:07:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152456 states. [2020-10-14 08:07:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152456 states to 152456 states and 206418 transitions. [2020-10-14 08:07:41,563 INFO L78 Accepts]: Start accepts. Automaton has 152456 states and 206418 transitions. Word has length 119 [2020-10-14 08:07:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:07:41,563 INFO L479 AbstractCegarLoop]: Abstraction has 152456 states and 206418 transitions. [2020-10-14 08:07:41,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 08:07:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 152456 states and 206418 transitions. [2020-10-14 08:07:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 08:07:41,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:07:41,570 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 08:07:41,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 08:07:41,570 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:07:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:07:41,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1069766228, now seen corresponding path program 1 times [2020-10-14 08:07:41,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:07:41,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680072877] [2020-10-14 08:07:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:07:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:41,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:41,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1796 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 08:07:43,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,639 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-14 08:07:43,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:07:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:07:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:07:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:07:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 08:07:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:07:43,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:07:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:07:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:07:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:07:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:07:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:07:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:07:43,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:07:43,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:07:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:07:43,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 08:07:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:07:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 08:07:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:07:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:07:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 08:07:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 08:07:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:07:43,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:07:43,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:07:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:07:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:07:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:07:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:07:44,016 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 08:07:44,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680072877] [2020-10-14 08:07:44,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:07:44,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:07:44,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149430886] [2020-10-14 08:07:44,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:07:44,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:07:44,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:07:44,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:07:44,017 INFO L87 Difference]: Start difference. First operand 152456 states and 206418 transitions. Second operand 12 states. [2020-10-14 08:07:44,306 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-14 08:07:46,414 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:07:46,569 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:07:46,813 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-14 08:07:47,229 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-14 08:07:47,692 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-14 08:07:49,032 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83