/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=NARROWEST --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/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 06:12:58,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 06:12:58,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 06:12:58,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 06:12:58,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 06:12:58,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 06:12:58,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 06:12:58,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 06:12:58,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 06:12:58,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 06:12:58,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 06:12:58,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 06:12:58,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 06:12:58,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 06:12:58,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 06:12:58,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 06:12:58,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 06:12:58,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 06:12:58,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 06:12:58,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 06:12:58,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 06:12:58,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 06:12:58,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 06:12:58,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 06:12:58,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 06:12:58,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 06:12:58,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 06:12:58,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 06:12:58,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 06:12:58,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 06:12:58,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 06:12:58,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 06:12:58,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 06:12:58,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 06:12:58,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 06:12:58,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 06:12:58,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 06:12:58,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 06:12:58,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 06:12:58,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 06:12:58,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 06:12:58,797 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 [2020-10-13 06:12:58,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 06:12:58,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 06:12:58,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 06:12:58,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 06:12:58,841 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 06:12:58,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 06:12:58,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 06:12:58,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 06:12:58,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 06:12:58,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 06:12:58,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 06:12:58,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 06:12:58,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 06:12:58,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 06:12:58,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 06:12:58,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 06:12:58,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 06:12:58,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 06:12:58,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 06:12:58,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 06:12:58,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 06:12:58,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 06:12:58,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 06:12:58,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 06:12:58,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 06:12:58,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 06:12:58,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 06:12:58,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 06:12:58,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 06:12:58,848 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 06:12:59,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 06:12:59,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 06:12:59,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 06:12:59,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 06:12:59,210 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 06:12:59,211 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-13 06:12:59,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c1f0e4a4/6c8d6d0386394b55b984c063dc276d35/FLAGf3747092e [2020-10-13 06:12:59,864 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 06:12:59,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label46.c [2020-10-13 06:12:59,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c1f0e4a4/6c8d6d0386394b55b984c063dc276d35/FLAGf3747092e [2020-10-13 06:13:00,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c1f0e4a4/6c8d6d0386394b55b984c063dc276d35 [2020-10-13 06:13:00,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 06:13:00,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 06:13:00,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:00,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 06:13:00,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 06:13:00,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc6958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00, skipping insertion in model container [2020-10-13 06:13:00,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 06:13:00,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 06:13:00,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:00,781 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 06:13:00,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 06:13:00,901 INFO L208 MainTranslator]: Completed translation [2020-10-13 06:13:00,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00 WrapperNode [2020-10-13 06:13:00,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 06:13:00,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 06:13:00,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 06:13:00,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 06:13:00,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:00,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:01,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (1/1) ... [2020-10-13 06:13:01,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 06:13:01,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 06:13:01,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 06:13:01,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 06:13:01,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (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 [2020-10-13 06:13:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 06:13:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 06:13:01,100 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 06:13:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 06:13:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 06:13:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 06:13:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 06:13:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 06:13:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 06:13:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 06:13:01,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 06:13:02,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 06:13:02,658 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 06:13:02,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:02 BoogieIcfgContainer [2020-10-13 06:13:02,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 06:13:02,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 06:13:02,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 06:13:02,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 06:13:02,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:13:00" (1/3) ... [2020-10-13 06:13:02,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3947fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:02, skipping insertion in model container [2020-10-13 06:13:02,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:13:00" (2/3) ... [2020-10-13 06:13:02,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3947fc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:13:02, skipping insertion in model container [2020-10-13 06:13:02,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:13:02" (3/3) ... [2020-10-13 06:13:02,680 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-10-13 06:13:02,690 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 06:13:02,710 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 06:13:02,724 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 06:13:02,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 06:13:02,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 06:13:02,752 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 06:13:02,752 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 06:13:02,752 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 06:13:02,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 06:13:02,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 06:13:02,753 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 06:13:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-13 06:13:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-13 06:13:02,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:02,788 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] [2020-10-13 06:13:02,789 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:02,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1613804370, now seen corresponding path program 1 times [2020-10-13 06:13:02,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:02,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263718191] [2020-10-13 06:13:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:03,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:04,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 06:13:04,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1268 [2020-10-13 06:13:04,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 06:13:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 06:13:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-13 06:13:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:13:04,949 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-13 06:13:05,129 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-13 06:13:05,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:05,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:05,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:05,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:05,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:05,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:05,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 06:13:05,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:05,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263718191] [2020-10-13 06:13:05,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 06:13:05,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 06:13:05,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663948002] [2020-10-13 06:13:05,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:05,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:05,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:05,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:05,691 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 12 states. [2020-10-13 06:13:06,076 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-10-13 06:13:06,281 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-10-13 06:13:06,557 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-10-13 06:13:06,869 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-10-13 06:13:07,175 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:13:07,805 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2020-10-13 06:13:08,321 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-10-13 06:13:09,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:09,376 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-13 06:13:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:09,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-13 06:13:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:09,394 INFO L225 Difference]: With dead ends: 536 [2020-10-13 06:13:09,394 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:09,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:09,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-13 06:13:09,472 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 118 [2020-10-13 06:13:09,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:09,473 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-13 06:13:09,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-13 06:13:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 06:13:09,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:09,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:09,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 06:13:09,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:09,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:09,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1482861857, now seen corresponding path program 1 times [2020-10-13 06:13:09,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:09,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613964975] [2020-10-13 06:13:09,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:09,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:11,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:11,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 06:13:11,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:11,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1570 [2020-10-13 06:13:11,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 06:13:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 06:13:11,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:11,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:11,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:11,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:11,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:11,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:11,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:11,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:11,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:11,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:12,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:12,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 06:13:12,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:13:12,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 06:13:12,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:12,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613964975] [2020-10-13 06:13:12,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:12,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:12,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145012961] [2020-10-13 06:13:12,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:12,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:12,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:12,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:12,147 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-13 06:13:12,691 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2020-10-13 06:13:13,423 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-10-13 06:13:13,741 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-10-13 06:13:14,193 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-10-13 06:13:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:14,745 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-13 06:13:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 06:13:14,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 127 [2020-10-13 06:13:14,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:14,757 INFO L225 Difference]: With dead ends: 549 [2020-10-13 06:13:14,758 INFO L226 Difference]: Without dead ends: 236 [2020-10-13 06:13:14,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-13 06:13:14,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-13 06:13:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-13 06:13:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 06:13:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-13 06:13:14,800 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 127 [2020-10-13 06:13:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:14,800 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-13 06:13:14,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-13 06:13:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 06:13:14,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:14,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:14,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 06:13:14,805 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:14,805 INFO L82 PathProgramCache]: Analyzing trace with hash 685006679, now seen corresponding path program 1 times [2020-10-13 06:13:14,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:14,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671002945] [2020-10-13 06:13:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:14,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:14,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:16,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:16,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 06:13:16,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:16,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1301 [2020-10-13 06:13:16,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 06:13:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 06:13:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:16,772 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-10-13 06:13:16,978 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2020-10-13 06:13:17,164 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-13 06:13:17,341 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2020-10-13 06:13:17,520 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2020-10-13 06:13:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:17,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:17,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:17,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:17,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:17,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:13:17,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 06:13:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:17,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671002945] [2020-10-13 06:13:17,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:17,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:17,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722309277] [2020-10-13 06:13:17,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:17,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:17,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:17,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:17,844 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-13 06:13:18,139 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 06:13:18,508 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-10-13 06:13:18,763 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-13 06:13:19,290 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-10-13 06:13:19,745 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-10-13 06:13:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:20,346 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-13 06:13:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:20,346 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2020-10-13 06:13:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:20,350 INFO L225 Difference]: With dead ends: 554 [2020-10-13 06:13:20,350 INFO L226 Difference]: Without dead ends: 327 [2020-10-13 06:13:20,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:20,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-13 06:13:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-13 06:13:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-13 06:13:20,374 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 131 [2020-10-13 06:13:20,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:20,375 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-13 06:13:20,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-13 06:13:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 06:13:20,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:20,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:20,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 06:13:20,379 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:20,379 INFO L82 PathProgramCache]: Analyzing trace with hash -444558417, now seen corresponding path program 1 times [2020-10-13 06:13:20,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:20,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450124591] [2020-10-13 06:13:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:20,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 06:13:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-13 06:13:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 06:13:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-13 06:13:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:21,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:21,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:21,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:21,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:21,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:21,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 06:13:21,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 06:13:21,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 06:13:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:13:21,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450124591] [2020-10-13 06:13:21,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:21,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:21,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600130377] [2020-10-13 06:13:21,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:21,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:21,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:21,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:21,368 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-13 06:13:22,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:22,451 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-13 06:13:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:22,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-13 06:13:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:22,456 INFO L225 Difference]: With dead ends: 724 [2020-10-13 06:13:22,457 INFO L226 Difference]: Without dead ends: 323 [2020-10-13 06:13:22,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:22,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-13 06:13:22,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-13 06:13:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 06:13:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-13 06:13:22,477 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 153 [2020-10-13 06:13:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:22,478 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-13 06:13:22,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:22,478 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-13 06:13:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 06:13:22,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:22,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:22,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 06:13:22,481 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:22,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:22,482 INFO L82 PathProgramCache]: Analyzing trace with hash -651942098, now seen corresponding path program 1 times [2020-10-13 06:13:22,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:22,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252028424] [2020-10-13 06:13:22,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:22,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:23,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:23,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 06:13:23,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-13 06:13:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 06:13:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 06:13:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:24,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:24,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:24,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:13:24,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 06:13:24,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:24,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 06:13:24,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 06:13:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:24,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252028424] [2020-10-13 06:13:24,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:24,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:24,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499362867] [2020-10-13 06:13:24,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:24,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:24,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:24,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:24,309 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-13 06:13:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:26,187 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-13 06:13:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:26,189 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-10-13 06:13:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:26,194 INFO L225 Difference]: With dead ends: 723 [2020-10-13 06:13:26,195 INFO L226 Difference]: Without dead ends: 401 [2020-10-13 06:13:26,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-13 06:13:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-13 06:13:26,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-13 06:13:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:13:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-13 06:13:26,236 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 152 [2020-10-13 06:13:26,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:26,238 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-13 06:13:26,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-13 06:13:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-13 06:13:26,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:26,242 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:26,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 06:13:26,243 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:26,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:26,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1807447543, now seen corresponding path program 1 times [2020-10-13 06:13:26,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:26,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518547458] [2020-10-13 06:13:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 06:13:26,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-13 06:13:26,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 06:13:26,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 06:13:26,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:26,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:26,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:26,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:26,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:26,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:26,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:26,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:26,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 06:13:26,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 06:13:26,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 06:13:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 06:13:26,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518547458] [2020-10-13 06:13:26,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:26,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:26,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227924352] [2020-10-13 06:13:26,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:26,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:26,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:26,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:26,937 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 5 states. [2020-10-13 06:13:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:28,318 INFO L93 Difference]: Finished difference Result 874 states and 1106 transitions. [2020-10-13 06:13:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:28,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-13 06:13:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:28,324 INFO L225 Difference]: With dead ends: 874 [2020-10-13 06:13:28,324 INFO L226 Difference]: Without dead ends: 399 [2020-10-13 06:13:28,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-13 06:13:28,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 394. [2020-10-13 06:13:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-13 06:13:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 472 transitions. [2020-10-13 06:13:28,355 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 472 transitions. Word has length 160 [2020-10-13 06:13:28,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:28,356 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 472 transitions. [2020-10-13 06:13:28,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 472 transitions. [2020-10-13 06:13:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-13 06:13:28,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:28,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:28,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 06:13:28,365 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:28,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:28,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1905645060, now seen corresponding path program 1 times [2020-10-13 06:13:28,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:28,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828621472] [2020-10-13 06:13:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:29,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-13 06:13:29,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1465 [2020-10-13 06:13:29,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 06:13:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 06:13:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:30,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:30,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:30,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:30,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 06:13:30,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:30,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 06:13:30,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:30,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828621472] [2020-10-13 06:13:30,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:30,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:30,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533137928] [2020-10-13 06:13:30,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:30,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:30,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:30,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:30,943 INFO L87 Difference]: Start difference. First operand 394 states and 472 transitions. Second operand 12 states. [2020-10-13 06:13:31,338 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-13 06:13:31,514 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-13 06:13:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:33,466 INFO L93 Difference]: Finished difference Result 886 states and 1110 transitions. [2020-10-13 06:13:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:13:33,467 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2020-10-13 06:13:33,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:33,470 INFO L225 Difference]: With dead ends: 886 [2020-10-13 06:13:33,470 INFO L226 Difference]: Without dead ends: 498 [2020-10-13 06:13:33,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:33,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-13 06:13:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 477. [2020-10-13 06:13:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-13 06:13:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 561 transitions. [2020-10-13 06:13:33,494 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 561 transitions. Word has length 169 [2020-10-13 06:13:33,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:33,495 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 561 transitions. [2020-10-13 06:13:33,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 561 transitions. [2020-10-13 06:13:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-13 06:13:33,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:33,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:33,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 06:13:33,499 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:33,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2048388456, now seen corresponding path program 1 times [2020-10-13 06:13:33,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:33,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043002298] [2020-10-13 06:13:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:34,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 06:13:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 06:13:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:35,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 06:13:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 06:13:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 06:13:35,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043002298] [2020-10-13 06:13:35,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:35,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:35,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3364652] [2020-10-13 06:13:35,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:35,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:35,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:35,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:35,487 INFO L87 Difference]: Start difference. First operand 477 states and 561 transitions. Second operand 12 states. [2020-10-13 06:13:35,912 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-13 06:13:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:37,359 INFO L93 Difference]: Finished difference Result 1040 states and 1272 transitions. [2020-10-13 06:13:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 06:13:37,360 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-10-13 06:13:37,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:37,364 INFO L225 Difference]: With dead ends: 1040 [2020-10-13 06:13:37,364 INFO L226 Difference]: Without dead ends: 569 [2020-10-13 06:13:37,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:13:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-13 06:13:37,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 556. [2020-10-13 06:13:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-13 06:13:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2020-10-13 06:13:37,398 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 175 [2020-10-13 06:13:37,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:37,399 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2020-10-13 06:13:37,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2020-10-13 06:13:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-13 06:13:37,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:37,402 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:37,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 06:13:37,403 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:37,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:37,403 INFO L82 PathProgramCache]: Analyzing trace with hash -391782046, now seen corresponding path program 1 times [2020-10-13 06:13:37,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:37,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062310247] [2020-10-13 06:13:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 06:13:38,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-13 06:13:38,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:38,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 06:13:38,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 06:13:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:38,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:38,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:38,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 06:13:38,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:38,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:38,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:38,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 06:13:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:38,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 06:13:38,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 06:13:38,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:38,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 06:13:38,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:13:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-13 06:13:38,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062310247] [2020-10-13 06:13:38,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:38,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:13:38,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793456317] [2020-10-13 06:13:38,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:13:38,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:38,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:13:38,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:13:38,516 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 5 states. [2020-10-13 06:13:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:39,631 INFO L93 Difference]: Finished difference Result 1203 states and 1454 transitions. [2020-10-13 06:13:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:13:39,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-10-13 06:13:39,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:39,636 INFO L225 Difference]: With dead ends: 1203 [2020-10-13 06:13:39,636 INFO L226 Difference]: Without dead ends: 464 [2020-10-13 06:13:39,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-13 06:13:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 457. [2020-10-13 06:13:39,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-13 06:13:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 533 transitions. [2020-10-13 06:13:39,655 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 533 transitions. Word has length 200 [2020-10-13 06:13:39,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:39,655 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 533 transitions. [2020-10-13 06:13:39,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:13:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 533 transitions. [2020-10-13 06:13:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-13 06:13:39,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:39,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:39,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 06:13:39,660 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:39,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:39,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2013374380, now seen corresponding path program 1 times [2020-10-13 06:13:39,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:39,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971762664] [2020-10-13 06:13:39,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:41,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:41,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 06:13:41,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1619 [2020-10-13 06:13:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 06:13:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 06:13:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:41,632 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-13 06:13:42,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:42,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:42,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:42,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 06:13:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-13 06:13:42,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971762664] [2020-10-13 06:13:42,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:42,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:42,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875562127] [2020-10-13 06:13:42,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:42,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:42,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:42,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:42,218 INFO L87 Difference]: Start difference. First operand 457 states and 533 transitions. Second operand 12 states. [2020-10-13 06:13:42,761 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-13 06:13:43,077 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-10-13 06:13:43,348 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-10-13 06:13:43,759 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2020-10-13 06:13:44,007 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 87 [2020-10-13 06:13:44,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:44,785 INFO L93 Difference]: Finished difference Result 1000 states and 1211 transitions. [2020-10-13 06:13:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:13:44,786 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 211 [2020-10-13 06:13:44,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:44,789 INFO L225 Difference]: With dead ends: 1000 [2020-10-13 06:13:44,789 INFO L226 Difference]: Without dead ends: 549 [2020-10-13 06:13:44,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-13 06:13:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-13 06:13:44,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 534. [2020-10-13 06:13:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 06:13:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 613 transitions. [2020-10-13 06:13:44,811 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 613 transitions. Word has length 211 [2020-10-13 06:13:44,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:44,811 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 613 transitions. [2020-10-13 06:13:44,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 613 transitions. [2020-10-13 06:13:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-13 06:13:44,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:44,815 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:44,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 06:13:44,816 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1667693626, now seen corresponding path program 1 times [2020-10-13 06:13:44,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:44,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613145495] [2020-10-13 06:13:44,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:44,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:44,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-13 06:13:45,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-13 06:13:45,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:45,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:45,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:45,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 06:13:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:45,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:45,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 06:13:45,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 06:13:45,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 06:13:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-13 06:13:45,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613145495] [2020-10-13 06:13:45,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:45,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:13:45,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692817174] [2020-10-13 06:13:45,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:13:45,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:45,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:13:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:13:45,613 INFO L87 Difference]: Start difference. First operand 534 states and 613 transitions. Second operand 6 states. [2020-10-13 06:13:46,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:46,990 INFO L93 Difference]: Finished difference Result 1245 states and 1526 transitions. [2020-10-13 06:13:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:13:46,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-10-13 06:13:46,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:46,994 INFO L225 Difference]: With dead ends: 1245 [2020-10-13 06:13:46,994 INFO L226 Difference]: Without dead ends: 465 [2020-10-13 06:13:46,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:13:46,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-10-13 06:13:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 458. [2020-10-13 06:13:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-13 06:13:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 530 transitions. [2020-10-13 06:13:47,012 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 530 transitions. Word has length 224 [2020-10-13 06:13:47,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:47,013 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 530 transitions. [2020-10-13 06:13:47,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:13:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 530 transitions. [2020-10-13 06:13:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-13 06:13:47,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:47,015 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:47,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 06:13:47,016 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:47,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1934310553, now seen corresponding path program 1 times [2020-10-13 06:13:47,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:47,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662852316] [2020-10-13 06:13:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:47,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:47,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:48,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:51,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:51,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4651 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 06:13:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:52,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:52,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:52,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:52,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 06:13:52,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:52,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:13:52,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:52,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 06:13:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:52,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 06:13:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:52,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:52,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:52,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 06:13:52,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:13:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:13:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 06:13:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-13 06:13:52,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662852316] [2020-10-13 06:13:52,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:52,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:13:52,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922530021] [2020-10-13 06:13:52,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:13:52,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:52,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:13:52,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:13:52,234 INFO L87 Difference]: Start difference. First operand 458 states and 530 transitions. Second operand 13 states. [2020-10-13 06:13:54,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:54,772 INFO L93 Difference]: Finished difference Result 1152 states and 1416 transitions. [2020-10-13 06:13:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 06:13:54,780 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2020-10-13 06:13:54,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:54,784 INFO L225 Difference]: With dead ends: 1152 [2020-10-13 06:13:54,785 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 06:13:54,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=303, Unknown=0, NotChecked=0, Total=462 [2020-10-13 06:13:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 06:13:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2020-10-13 06:13:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-13 06:13:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2020-10-13 06:13:54,803 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 231 [2020-10-13 06:13:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:54,803 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2020-10-13 06:13:54,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:13:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2020-10-13 06:13:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-13 06:13:54,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:54,807 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:54,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 06:13:54,808 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:54,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:54,808 INFO L82 PathProgramCache]: Analyzing trace with hash -242187330, now seen corresponding path program 1 times [2020-10-13 06:13:54,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:54,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968896027] [2020-10-13 06:13:54,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:54,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:55,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:56,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:56,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1958 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 06:13:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,087 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-13 06:13:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:13:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:13:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:13:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:13:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:13:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:57,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:57,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:13:57,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:13:57,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-13 06:13:57,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:13:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-13 06:13:57,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968896027] [2020-10-13 06:13:57,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:13:57,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 06:13:57,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998140670] [2020-10-13 06:13:57,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 06:13:57,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:13:57,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 06:13:57,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-13 06:13:57,637 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 12 states. [2020-10-13 06:13:58,440 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-10-13 06:13:58,659 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2020-10-13 06:13:58,896 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2020-10-13 06:13:59,059 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2020-10-13 06:13:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:13:59,501 INFO L93 Difference]: Finished difference Result 954 states and 1138 transitions. [2020-10-13 06:13:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 06:13:59,506 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2020-10-13 06:13:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:13:59,509 INFO L225 Difference]: With dead ends: 954 [2020-10-13 06:13:59,509 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:13:59,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-13 06:13:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:13:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:13:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:13:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 583 transitions. [2020-10-13 06:13:59,525 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 583 transitions. Word has length 246 [2020-10-13 06:13:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:13:59,526 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 583 transitions. [2020-10-13 06:13:59,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 06:13:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 583 transitions. [2020-10-13 06:13:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 06:13:59,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:13:59,528 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:13:59,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 06:13:59,528 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:13:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:13:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 8873805, now seen corresponding path program 1 times [2020-10-13 06:13:59,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:13:59,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979631846] [2020-10-13 06:13:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:13:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:13:59,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:59,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:13:59,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:00,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 06:14:00,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 06:14:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-13 06:14:00,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 06:14:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 06:14:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:00,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:00,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:00,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:00,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:00,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 06:14:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:00,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:00,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 06:14:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 06:14:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 06:14:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-13 06:14:01,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979631846] [2020-10-13 06:14:01,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:01,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 06:14:01,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635545983] [2020-10-13 06:14:01,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 06:14:01,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:01,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 06:14:01,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:14:01,042 INFO L87 Difference]: Start difference. First operand 496 states and 583 transitions. Second operand 6 states. [2020-10-13 06:14:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:02,335 INFO L93 Difference]: Finished difference Result 1155 states and 1436 transitions. [2020-10-13 06:14:02,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 06:14:02,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2020-10-13 06:14:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:02,339 INFO L225 Difference]: With dead ends: 1155 [2020-10-13 06:14:02,339 INFO L226 Difference]: Without dead ends: 499 [2020-10-13 06:14:02,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:14:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-13 06:14:02,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2020-10-13 06:14:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 06:14:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 577 transitions. [2020-10-13 06:14:02,355 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 577 transitions. Word has length 260 [2020-10-13 06:14:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:02,355 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 577 transitions. [2020-10-13 06:14:02,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 06:14:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 577 transitions. [2020-10-13 06:14:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-13 06:14:02,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:02,358 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:14:02,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 06:14:02,358 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:02,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:02,358 INFO L82 PathProgramCache]: Analyzing trace with hash 65657, now seen corresponding path program 1 times [2020-10-13 06:14:02,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:02,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004011092] [2020-10-13 06:14:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:02,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:02,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:06,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4285 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 06:14:06,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:07,123 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-10-13 06:14:07,259 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2020-10-13 06:14:07,420 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-10-13 06:14:07,585 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 39 [2020-10-13 06:14:07,723 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-10-13 06:14:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:07,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:07,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:07,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:07,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:07,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:07,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:07,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:14:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:07,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:08,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:08,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 06:14:08,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:08,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 06:14:08,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:08,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 06:14:08,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:08,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 06:14:08,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-13 06:14:08,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004011092] [2020-10-13 06:14:08,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:08,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 06:14:08,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750308246] [2020-10-13 06:14:08,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 06:14:08,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:08,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 06:14:08,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 06:14:08,262 INFO L87 Difference]: Start difference. First operand 496 states and 577 transitions. Second operand 13 states. [2020-10-13 06:14:09,123 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 06:14:09,477 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-10-13 06:14:09,791 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 100 [2020-10-13 06:14:10,268 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2020-10-13 06:14:10,759 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2020-10-13 06:14:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:11,791 INFO L93 Difference]: Finished difference Result 1366 states and 1667 transitions. [2020-10-13 06:14:11,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 06:14:11,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 267 [2020-10-13 06:14:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:11,797 INFO L225 Difference]: With dead ends: 1366 [2020-10-13 06:14:11,798 INFO L226 Difference]: Without dead ends: 875 [2020-10-13 06:14:11,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-10-13 06:14:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-10-13 06:14:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 867. [2020-10-13 06:14:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 997 transitions. [2020-10-13 06:14:11,823 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 997 transitions. Word has length 267 [2020-10-13 06:14:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:11,824 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 997 transitions. [2020-10-13 06:14:11,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 06:14:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 997 transitions. [2020-10-13 06:14:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-13 06:14:11,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:11,827 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:14:11,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 06:14:11,828 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:11,828 INFO L82 PathProgramCache]: Analyzing trace with hash 248629582, now seen corresponding path program 1 times [2020-10-13 06:14:11,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:11,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033404984] [2020-10-13 06:14:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:11,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 06:14:12,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:12,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-13 06:14:12,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-13 06:14:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 06:14:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:12,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:12,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:12,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 06:14:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:12,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:12,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:12,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 06:14:12,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 06:14:12,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:12,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:12,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:12,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 06:14:12,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 06:14:12,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033404984] [2020-10-13 06:14:12,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:12,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:12,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178693775] [2020-10-13 06:14:12,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:12,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:12,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:12,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:12,715 INFO L87 Difference]: Start difference. First operand 867 states and 997 transitions. Second operand 5 states. [2020-10-13 06:14:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:13,617 INFO L93 Difference]: Finished difference Result 1819 states and 2138 transitions. [2020-10-13 06:14:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:13,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2020-10-13 06:14:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:13,626 INFO L225 Difference]: With dead ends: 1819 [2020-10-13 06:14:13,626 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:14:13,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:14:13,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:14:13,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:14:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 982 transitions. [2020-10-13 06:14:13,656 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 982 transitions. Word has length 272 [2020-10-13 06:14:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:13,657 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 982 transitions. [2020-10-13 06:14:13,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 982 transitions. [2020-10-13 06:14:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-13 06:14:13,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:13,661 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:14:13,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 06:14:13,661 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:13,662 INFO L82 PathProgramCache]: Analyzing trace with hash -968668644, now seen corresponding path program 1 times [2020-10-13 06:14:13,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:13,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408637747] [2020-10-13 06:14:13,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:13,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:14,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-13 06:14:14,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 06:14:14,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:14,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:14,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:14,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:14,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:14,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:14,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:14,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:14,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:14,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:14,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:14,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 06:14:14,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:14,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 06:14:14,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 06:14:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 06:14:14,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408637747] [2020-10-13 06:14:14,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:14,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 06:14:14,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416899406] [2020-10-13 06:14:14,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 06:14:14,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:14,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 06:14:14,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 06:14:14,862 INFO L87 Difference]: Start difference. First operand 867 states and 982 transitions. Second operand 5 states. [2020-10-13 06:14:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:15,794 INFO L93 Difference]: Finished difference Result 1817 states and 2100 transitions. [2020-10-13 06:14:15,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 06:14:15,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 277 [2020-10-13 06:14:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:15,800 INFO L225 Difference]: With dead ends: 1817 [2020-10-13 06:14:15,800 INFO L226 Difference]: Without dead ends: 872 [2020-10-13 06:14:15,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 06:14:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-13 06:14:15,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 867. [2020-10-13 06:14:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-13 06:14:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 969 transitions. [2020-10-13 06:14:15,825 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 969 transitions. Word has length 277 [2020-10-13 06:14:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:15,826 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 969 transitions. [2020-10-13 06:14:15,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 06:14:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 969 transitions. [2020-10-13 06:14:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-13 06:14:15,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 06:14:15,830 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 06:14:15,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 06:14:15,830 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 06:14:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 06:14:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1391191251, now seen corresponding path program 1 times [2020-10-13 06:14:15,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 06:14:15,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094955515] [2020-10-13 06:14:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 06:14:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:15,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:16,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:18,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:18,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-13 06:14:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 06:14:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3043 [2020-10-13 06:14:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-13 06:14:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 06:14:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:19,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 06:14:19,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 06:14:19,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:19,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:19,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 06:14:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 06:14:19,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 06:14:19,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:19,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 06:14:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 06:14:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 06:14:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 06:14:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 06:14:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 06:14:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 06:14:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:19,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 06:14:19,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 06:14:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 06:14:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 06:14:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 06:14:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 06:14:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 06:14:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 06:14:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 336 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 06:14:19,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094955515] [2020-10-13 06:14:19,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 06:14:19,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 06:14:19,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988853942] [2020-10-13 06:14:19,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 06:14:19,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 06:14:19,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 06:14:19,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 06:14:19,366 INFO L87 Difference]: Start difference. First operand 867 states and 969 transitions. Second operand 8 states. [2020-10-13 06:14:20,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 06:14:20,201 INFO L93 Difference]: Finished difference Result 1259 states and 1386 transitions. [2020-10-13 06:14:20,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 06:14:20,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 332 [2020-10-13 06:14:20,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 06:14:20,203 INFO L225 Difference]: With dead ends: 1259 [2020-10-13 06:14:20,203 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 06:14:20,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-13 06:14:20,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 06:14:20,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 06:14:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 06:14:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 06:14:20,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 332 [2020-10-13 06:14:20,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 06:14:20,208 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 06:14:20,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 06:14:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 06:14:20,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 06:14:20,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 06:14:20,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 06:14:21,365 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 179 [2020-10-13 06:14:22,063 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-10-13 06:14:25,730 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 264 DAG size of output: 203 [2020-10-13 06:14:26,713 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 97 [2020-10-13 06:14:28,200 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 124 [2020-10-13 06:14:28,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:14:28,205 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-13 06:14:28,206 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:14:28,206 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,206 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,206 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,206 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-13 06:14:28,207 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-13 06:14:28,208 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-13 06:14:28,209 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-13 06:14:28,210 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,211 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-13 06:14:28,212 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-13 06:14:28,213 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-13 06:14:28,214 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-13 06:14:28,215 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:14:28,216 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,217 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 06:14:28,218 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,219 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 06:14:28,220 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,221 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 06:14:28,222 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,223 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= |old(~a19~0)| 1)) (.cse18 (= |old(~a25~0)| 1)) (.cse42 (not (<= |old(~a11~0)| 0))) (.cse6 (= |old(~a11~0)| 1)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse13 (not (= 0 |old(~a19~0)|))) (.cse31 (not (= 10 |old(~a28~0)|))) (.cse32 (and .cse1 .cse2 .cse3 .cse4 (= ~a28~0 10))) (.cse21 (not (<= |old(~a28~0)| 10))) (.cse27 (<= ~a28~0 10)) (.cse28 (not (= 7 |old(~a17~0)|))) (.cse29 (= 7 ~a17~0)) (.cse11 (not .cse6)) (.cse19 (not (<= |old(~a19~0)| 1))) (.cse33 (not (<= |old(~a11~0)| 1))) (.cse22 (not (<= 1 |old(~a19~0)|))) (.cse36 (<= 1 ~a11~0)) (.cse37 (<= ~a11~0 1)) (.cse35 (not (<= 1 |old(~a11~0)|))) (.cse9 (not (= 9 |old(~a28~0)|))) (.cse10 (= ~a28~0 9)) (.cse20 (not (<= |old(~a17~0)| 8))) (.cse38 (not (<= |old(~a19~0)| 0))) (.cse23 (and (not (<= 2 |old(~a11~0)|)) .cse42)) (.cse24 (not (< 7 |old(~a17~0)|))) (.cse25 (<= ~a17~0 8)) (.cse26 (< 7 ~a17~0)) (.cse34 (not (<= |old(~a25~0)| 0))) (.cse39 (= ~a19~0 1)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse15 (= 7 ~a28~0)) (.cse30 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (.cse16 (not (= 7 |old(~a28~0)|))) (.cse12 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse0 (not .cse18)) (.cse40 (= ~a28~0 8)) (.cse8 (not .cse17)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse7 (not (= ~a21~0 1))) (.cse41 (not (= 8 |old(~a28~0)|)))) (and (or (not (<= |old(~a28~0)| 7)) .cse0 (and (= ~a28~0 |old(~a28~0)|) .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse5 .cse9 .cse7 (and .cse1 .cse2 .cse3 .cse10 .cse4) .cse11) (or .cse12 .cse13 .cse5 .cse6 (and (= ~a19~0 0) .cse1 .cse14 .cse2 .cse15) .cse7 .cse16) (or .cse17 (and .cse1 .cse14 .cse2 .cse15 .cse4) .cse18 .cse5 .cse7 .cse16 .cse11) (or .cse12 .cse19 .cse20 .cse21 .cse22 .cse7 .cse23 .cse24 (and .cse1 (< 9 ~a28~0) .cse14 .cse25 .cse26 .cse27 .cse4) (not (< 9 |old(~a28~0)|))) (or .cse0 .cse28 (not (= |old(~a17~0)| |old(~a28~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) .cse7 (and .cse29 .cse1 .cse3 .cse4 (= ~a28~0 ~a17~0)) (not (= |old(~a11~0)| |old(~a25~0)|))) (or (not (<= |old(~a25~0)| 1)) .cse19 .cse20 (not (<= |old(~a28~0)| 11)) (not (< 10 |old(~a28~0)|)) .cse22 (and (<= ~a28~0 11) .cse1 .cse25 (<= ~a25~0 1) .cse26 (< 10 ~a28~0) .cse4 (< 0 ~a25~0)) .cse7 .cse30 .cse23 .cse24 (not (< 0 |old(~a25~0)|))) (or .cse0 .cse31 .cse13 .cse5 .cse6 .cse32 .cse7 .cse30) (or .cse0 .cse31 .cse8 .cse5 .cse32 .cse7 .cse11) (or .cse33 .cse21 (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) .cse34 (not (<= 10 |old(~a28~0)|)) .cse7 .cse35 (and .cse36 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse14 .cse37 .cse27 (<= ~a17~0 7) .cse4) .cse38) (or .cse17 .cse0 .cse28 (and .cse29 .cse1 .cse3 .cse10 .cse4) .cse9 .cse7 .cse11) (or .cse19 .cse20 .cse33 (not (<= 8 |old(~a17~0)|)) .cse22 (and (= ~a17~0 |old(~a17~0)|) .cse36 (<= 9 ~a28~0) .cse14 .cse37 (<= ~a28~0 9) .cse4) .cse34 (not (<= |old(~a28~0)| 9)) .cse7 .cse35 (not (<= 9 |old(~a28~0)|))) (or .cse8 .cse5 .cse6 .cse9 .cse7 .cse30 (and .cse1 .cse39 .cse14 .cse2 .cse10)) (or .cse20 (and (not (<= 2 |old(~a19~0)|)) .cse38) (not (= 0 |old(~a25~0)|)) .cse7 .cse30 .cse23 .cse24 (and .cse1 .cse14 .cse40 .cse25 .cse26 .cse4) .cse41) (or .cse8 .cse5 .cse34 .cse7 (and .cse1 .cse39 .cse14 .cse2 .cse15) .cse30 .cse16 .cse42) (or .cse12 .cse0 (and .cse1 .cse2 .cse3 .cse40 .cse4) .cse8 .cse5 .cse6 .cse7 .cse41)))) [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-13 06:14:28,225 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,226 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:14:28,227 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-13 06:14:28,228 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:14:28,229 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0) (<= 1 ~a19~0)) [2020-10-13 06:14:28,230 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a17~0)| 8)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (<= ~a28~0 7) (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a11~0)| 0))) [2020-10-13 06:14:28,230 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a19~0 1)) (.cse12 (= ~a25~0 1)) (.cse21 (= ~a11~0 1))) (let ((.cse0 (<= ~a28~0 7)) (.cse4 (not .cse21)) (.cse13 (= ~a19~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse11 (<= ~a28~0 10)) (.cse16 (= 7 ~a28~0)) (.cse17 (not .cse12)) (.cse2 (= ~a17~0 8)) (.cse14 (= ~a28~0 10)) (.cse5 (or (<= ~a11~0 0) (< 1 ~a11~0))) (.cse18 (<= ~a19~0 0)) (.cse15 (= 7 ~a17~0)) (.cse20 (not .cse1)) (.cse3 (= ~a28~0 9)) (.cse7 (<= 8 ~a17~0)) (.cse8 (<= ~a19~0 1)) (.cse9 (<= ~a17~0 8)) (.cse19 (<= ~a25~0 0)) (.cse10 (<= 1 ~a19~0))) (or (not (<= |old(~a19~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) .cse0 (= ~a19~0 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~a19~0)|)) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse12 .cse4 .cse0) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse13 .cse2 .cse12 .cse4 .cse14) (and .cse5 (<= ~a28~0 11) (<= 1 ~a25~0) .cse7 .cse8 .cse9 (<= ~a25~0 1) .cse10) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a25~0 ~a11~0) .cse15 .cse12 (= ~a25~0 ~a19~0) (= ~a28~0 ~a17~0)) (and .cse13 .cse7 .cse16 .cse9 .cse17) (and (<= 1 ~a11~0) .cse18 (<= 7 ~a17~0) .cse6 (<= ~a11~0 1) (<= ~a17~0 7) .cse19 .cse11) (and .cse1 .cse2 .cse12 .cse3) (not (= ~a21~0 1)) (and .cse2 .cse20 .cse16 .cse21 .cse17) (and .cse1 .cse2 .cse12 .cse14) (and .cse5 (= ~a25~0 0) .cse7 .cse9 (= ~a28~0 8) (or .cse18 (< 1 ~a19~0))) (not (<= |old(~a11~0)| 0)) (and .cse15 .cse20 .cse12 .cse3 .cse21) (and (<= 9 ~a28~0) .cse7 .cse8 (<= ~a28~0 9) .cse9 .cse19 .cse10)))) [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:14:28,230 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-13 06:14:28,231 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse22 (= ~a11~0 1)) (.cse23 (= ~a19~0 1)) (.cse12 (= ~a25~0 1))) (let ((.cse8 (= ~a19~0 0)) (.cse14 (<= 1 ~a11~0)) (.cse4 (<= ~a19~0 0)) (.cse15 (<= ~a11~0 1)) (.cse16 (<= ~a25~0 0)) (.cse9 (= 7 ~a28~0)) (.cse10 (not .cse12)) (.cse17 (= ~a28~0 10)) (.cse18 (= 7 ~a17~0)) (.cse21 (not .cse23)) (.cse11 (= ~a17~0 8)) (.cse2 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0)))) (.cse24 (= ~a28~0 9)) (.cse13 (not .cse22)) (.cse0 (or (<= ~a11~0 0) (< 1 ~a11~0))) (.cse7 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1))) (.cse19 (<= 10 ~a28~0)) (.cse1 (<= 8 ~a17~0)) (.cse5 (<= ~a19~0 1)) (.cse3 (<= ~a17~0 8)) (.cse6 (<= 1 ~a19~0)) (.cse20 (<= ~a28~0 10))) (or (and .cse0 (= ~a25~0 0) .cse1 .cse2 .cse3 (= ~a28~0 8) (or .cse4 (< 1 ~a19~0))) (not (<= |old(~a19~0)| 1)) (and .cse0 (<= ~a28~0 11) (<= 1 ~a25~0) .cse1 .cse2 .cse5 .cse3 (<= ~a25~0 1) .cse6) (not (<= 8 |old(~a17~0)|)) (not (<= 1 |old(~a19~0)|)) (and .cse7 .cse8 .cse1 .cse9 .cse3 .cse10) (and .cse11 .cse12 .cse13 (<= ~a28~0 7)) (not (<= |old(~a25~0)| 0)) (not (<= 7 |old(~a28~0)|)) (and .cse14 (<= 9 ~a28~0) .cse15 .cse1 .cse5 (<= ~a28~0 9) .cse3 .cse16 .cse6) (and .cse8 .cse11 .cse2 .cse12 .cse13 .cse17) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse11 .cse2 .cse5 .cse6) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a25~0 ~a11~0) .cse18 .cse12 (= ~a25~0 ~a19~0) (= ~a28~0 ~a17~0)) (and .cse14 .cse4 (<= 7 ~a17~0) .cse19 .cse15 (<= ~a17~0 7) .cse16 .cse20) (not (= ~a21~0 1)) (and .cse11 .cse21 .cse9 .cse22 .cse10) (and .cse23 .cse11 .cse12 .cse22 .cse17) (and .cse23 .cse11 .cse12 .cse24 .cse22) (not (<= |old(~a11~0)| 0)) (and .cse18 .cse21 .cse12 .cse24 .cse22) (and .cse23 .cse11 .cse2 .cse24 .cse13) (and .cse0 .cse7 .cse19 .cse1 .cse5 .cse3 .cse6 .cse20)))) [2020-10-13 06:14:28,231 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-13 06:14:28,231 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-13 06:14:28,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:14:28 BoogieIcfgContainer [2020-10-13 06:14:28,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 06:14:28,258 INFO L168 Benchmark]: Toolchain (without parser) took 88059.66 ms. Allocated memory was 143.7 MB in the beginning and 939.5 MB in the end (delta: 795.9 MB). Free memory was 103.8 MB in the beginning and 154.9 MB in the end (delta: -51.1 MB). Peak memory consumption was 810.4 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,258 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 124.0 MB in the beginning and 123.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.73 ms. Allocated memory was 143.7 MB in the beginning and 206.6 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 172.2 MB in the end (delta: -68.9 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,259 INFO L168 Benchmark]: Boogie Preprocessor took 105.09 ms. Allocated memory is still 206.6 MB. Free memory was 172.2 MB in the beginning and 166.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,260 INFO L168 Benchmark]: RCFGBuilder took 1659.15 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 166.7 MB in the beginning and 169.6 MB in the end (delta: -2.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,261 INFO L168 Benchmark]: TraceAbstraction took 85587.87 ms. Allocated memory was 234.4 MB in the beginning and 939.5 MB in the end (delta: 705.2 MB). Free memory was 169.6 MB in the beginning and 154.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 785.5 MB. Max. memory is 7.1 GB. [2020-10-13 06:14:28,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 143.7 MB. Free memory was 124.0 MB in the beginning and 123.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.73 ms. Allocated memory was 143.7 MB in the beginning and 206.6 MB in the end (delta: 62.9 MB). Free memory was 103.4 MB in the beginning and 172.2 MB in the end (delta: -68.9 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.09 ms. Allocated memory is still 206.6 MB. Free memory was 172.2 MB in the beginning and 166.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1659.15 ms. Allocated memory was 206.6 MB in the beginning and 234.4 MB in the end (delta: 27.8 MB). Free memory was 166.7 MB in the beginning and 169.6 MB in the end (delta: -2.9 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85587.87 ms. Allocated memory was 234.4 MB in the beginning and 939.5 MB in the end (delta: 705.2 MB). Free memory was 169.6 MB in the beginning and 154.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 785.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(\old(a19) <= 1) || (((((a17 == \old(a17) && a11 == \old(a11)) && 7 <= a28) && a25 == \old(a25)) && a28 <= 7) && a19 == \old(a19))) || !(8 <= \old(a17))) || (((a19 == 1 && a17 == 8) && a28 == 9) && !(a11 == 1))) || !(1 <= \old(a19))) || (((((((a11 <= 0 || 1 < a11) && 10 <= a28) && 8 <= a17) && a19 <= 1) && a17 <= 8) && 1 <= a19) && a28 <= 10)) || (((a17 == 8 && a25 == 1) && !(a11 == 1)) && a28 <= 7)) || !(\old(a25) <= 0)) || !(7 <= \old(a28))) || ((((a19 == 0 && a17 == 8) && a25 == 1) && !(a11 == 1)) && a28 == 10)) || ((((((((a11 <= 0 || 1 < a11) && a28 <= 11) && 1 <= a25) && 8 <= a17) && a19 <= 1) && a17 <= 8) && a25 <= 1) && 1 <= a19)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((((a25 == a11 && 7 == a17) && a25 == 1) && a25 == a19) && a28 == a17)) || ((((a19 == 0 && 8 <= a17) && 7 == a28) && a17 <= 8) && !(a25 == 1))) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a11 <= 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 9)) || !(a21 == 1)) || ((((a17 == 8 && !(a19 == 1)) && 7 == a28) && a11 == 1) && !(a25 == 1))) || (((a19 == 1 && a17 == 8) && a25 == 1) && a28 == 10)) || ((((((a11 <= 0 || 1 < a11) && a25 == 0) && 8 <= a17) && a17 <= 8) && a28 == 8) && (a19 <= 0 || 1 < a19))) || !(\old(a11) <= 0)) || ((((7 == a17 && !(a19 == 1)) && a25 == 1) && a28 == 9) && a11 == 1)) || ((((((9 <= a28 && 8 <= a17) && a19 <= 1) && a28 <= 9) && a17 <= 8) && a25 <= 0) && 1 <= a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.4s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 677 SDtfs, 6694 SDslu, 993 SDs, 0 SdLazy, 15273 SolverSat, 1302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 156 SyntacticMatches, 8 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 124 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 151 NumberOfFragments, 2048 HoareAnnotationTreeSize, 110 FomulaSimplifications, 19759489 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5146578 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 38.4s InterpolantComputationTime, 3705 NumberOfCodeBlocks, 3705 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3687 ConstructedInterpolants, 0 QuantifiedInterpolants, 8721369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 1 PerfectInterpolantSequences, 2294/2328 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...