/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:17,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:17,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:17,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:17,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:17,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:17,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:17,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:17,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:17,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:17,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:17,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:17,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:17,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:17,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:17,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:17,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:17,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:17,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:17,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:17,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:17,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:17,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:17,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:17,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:17,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:17,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:17,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:17,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:17,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:28:17,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:28:17,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:28:17,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:28:17,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:28:17,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:28:17,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:28:17,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:28:17,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:28:17,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:17,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:17,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:17,771 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 [2020-09-21 11:28:17,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:17,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:17,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:17,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:17,825 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:17,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:17,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:17,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:17,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:17,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:17,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:17,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:17,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:17,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:17,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:17,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:17,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:17,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:17,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:17,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:17,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:17,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:17,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:17,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:17,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:17,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:17,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:17,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:17,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:17,832 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:28:18,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:18,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:18,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:18,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:18,320 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:18,321 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-09-21 11:28:18,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52b143065/1b0e3504124442da9adbb39ed4c66c9c/FLAGa57dfd52e [2020-09-21 11:28:19,081 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:19,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-09-21 11:28:19,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52b143065/1b0e3504124442da9adbb39ed4c66c9c/FLAGa57dfd52e [2020-09-21 11:28:19,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52b143065/1b0e3504124442da9adbb39ed4c66c9c [2020-09-21 11:28:19,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:19,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:19,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:19,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:19,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:19,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406521a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:19, skipping insertion in model container [2020-09-21 11:28:19,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:19" (1/1) ... [2020-09-21 11:28:19,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:19,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:20,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:20,130 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:20,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:20,346 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:20,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20 WrapperNode [2020-09-21 11:28:20,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:20,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:20,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:20,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:20,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (1/1) ... [2020-09-21 11:28:20,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:20,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:20,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:20,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:20,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (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 [2020-09-21 11:28:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:22,142 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:22,143 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:22,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:22 BoogieIcfgContainer [2020-09-21 11:28:22,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:22,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:22,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:22,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:22,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:19" (1/3) ... [2020-09-21 11:28:22,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25007ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:22, skipping insertion in model container [2020-09-21 11:28:22,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:20" (2/3) ... [2020-09-21 11:28:22,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25007ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:22, skipping insertion in model container [2020-09-21 11:28:22,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:22" (3/3) ... [2020-09-21 11:28:22,162 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-09-21 11:28:22,175 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:22,187 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:22,212 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:22,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:22,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:22,248 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:22,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:22,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:22,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:22,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:22,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 11:28:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-21 11:28:22,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:22,294 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] [2020-09-21 11:28:22,294 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:22,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:22,303 INFO L82 PathProgramCache]: Analyzing trace with hash 2061919546, now seen corresponding path program 1 times [2020-09-21 11:28:22,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:22,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527860882] [2020-09-21 11:28:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:28:22,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:28:22,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:28:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:22,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:22,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:22,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:22,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:22,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:22,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:22,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:22,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:22,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:22,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527860882] [2020-09-21 11:28:22,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:22,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:28:22,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509550498] [2020-09-21 11:28:22,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:28:22,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:22,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:28:22,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:28:22,833 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-09-21 11:28:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:24,944 INFO L93 Difference]: Finished difference Result 714 states and 1256 transitions. [2020-09-21 11:28:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:24,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-09-21 11:28:24,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:24,967 INFO L225 Difference]: With dead ends: 714 [2020-09-21 11:28:24,968 INFO L226 Difference]: Without dead ends: 380 [2020-09-21 11:28:24,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-09-21 11:28:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-09-21 11:28:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-09-21 11:28:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 528 transitions. [2020-09-21 11:28:25,084 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 528 transitions. Word has length 49 [2020-09-21 11:28:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:25,086 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 528 transitions. [2020-09-21 11:28:25,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:28:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 528 transitions. [2020-09-21 11:28:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:28:25,108 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:25,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:25,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:25,110 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:25,114 INFO L82 PathProgramCache]: Analyzing trace with hash 783093133, now seen corresponding path program 1 times [2020-09-21 11:28:25,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:25,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24152431] [2020-09-21 11:28:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:28:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:28:25,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:25,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:25,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:28:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:28:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:25,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:25,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:25,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:25,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:28:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:28:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:25,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24152431] [2020-09-21 11:28:25,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:25,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:25,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978208287] [2020-09-21 11:28:25,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:25,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:25,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:25,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:25,869 INFO L87 Difference]: Start difference. First operand 376 states and 528 transitions. Second operand 8 states. [2020-09-21 11:28:27,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:27,988 INFO L93 Difference]: Finished difference Result 942 states and 1295 transitions. [2020-09-21 11:28:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:27,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-09-21 11:28:27,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:27,996 INFO L225 Difference]: With dead ends: 942 [2020-09-21 11:28:27,996 INFO L226 Difference]: Without dead ends: 572 [2020-09-21 11:28:27,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:28,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-09-21 11:28:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 564. [2020-09-21 11:28:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-09-21 11:28:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 745 transitions. [2020-09-21 11:28:28,061 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 745 transitions. Word has length 132 [2020-09-21 11:28:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:28,062 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 745 transitions. [2020-09-21 11:28:28,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 745 transitions. [2020-09-21 11:28:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-21 11:28:28,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:28,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:28,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:28,068 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:28,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:28,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1340716769, now seen corresponding path program 1 times [2020-09-21 11:28:28,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:28,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4017393] [2020-09-21 11:28:28,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-21 11:28:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:28:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:28:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-21 11:28:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:28,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:28,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:28,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:28,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:28,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:28,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:28:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:28:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:28:28,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4017393] [2020-09-21 11:28:28,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:28,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:28,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031603164] [2020-09-21 11:28:28,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:28,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:28,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:28,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:28,406 INFO L87 Difference]: Start difference. First operand 564 states and 745 transitions. Second operand 5 states. [2020-09-21 11:28:30,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:30,056 INFO L93 Difference]: Finished difference Result 1124 states and 1502 transitions. [2020-09-21 11:28:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:30,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-21 11:28:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:30,064 INFO L225 Difference]: With dead ends: 1124 [2020-09-21 11:28:30,065 INFO L226 Difference]: Without dead ends: 1122 [2020-09-21 11:28:30,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-09-21 11:28:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 750. [2020-09-21 11:28:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-09-21 11:28:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1054 transitions. [2020-09-21 11:28:30,118 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1054 transitions. Word has length 158 [2020-09-21 11:28:30,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:30,119 INFO L479 AbstractCegarLoop]: Abstraction has 750 states and 1054 transitions. [2020-09-21 11:28:30,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1054 transitions. [2020-09-21 11:28:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-21 11:28:30,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:30,125 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, 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] [2020-09-21 11:28:30,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:30,126 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:30,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:30,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1341152017, now seen corresponding path program 1 times [2020-09-21 11:28:30,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:30,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973113397] [2020-09-21 11:28:30,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:28:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:28:30,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:28:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:28:30,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:30,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:30,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:28:30,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:28:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:30,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:30,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-21 11:28:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:28:30,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973113397] [2020-09-21 11:28:30,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:30,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:28:30,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16135119] [2020-09-21 11:28:30,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:30,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:30,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:30,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:30,481 INFO L87 Difference]: Start difference. First operand 750 states and 1054 transitions. Second operand 8 states. [2020-09-21 11:28:32,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:32,693 INFO L93 Difference]: Finished difference Result 1718 states and 2510 transitions. [2020-09-21 11:28:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:28:32,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 202 [2020-09-21 11:28:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:32,705 INFO L225 Difference]: With dead ends: 1718 [2020-09-21 11:28:32,706 INFO L226 Difference]: Without dead ends: 974 [2020-09-21 11:28:32,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:28:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-09-21 11:28:32,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 944. [2020-09-21 11:28:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-09-21 11:28:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1249 transitions. [2020-09-21 11:28:32,755 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1249 transitions. Word has length 202 [2020-09-21 11:28:32,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:32,755 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1249 transitions. [2020-09-21 11:28:32,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1249 transitions. [2020-09-21 11:28:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-21 11:28:32,760 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:32,761 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, 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] [2020-09-21 11:28:32,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:32,761 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:32,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:32,762 INFO L82 PathProgramCache]: Analyzing trace with hash -2013904043, now seen corresponding path program 1 times [2020-09-21 11:28:32,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:32,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086409007] [2020-09-21 11:28:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:32,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -174 [2020-09-21 11:28:32,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 174 [2020-09-21 11:28:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-21 11:28:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:28:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-21 11:28:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:32,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:32,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:32,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:32,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:32,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:32,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:32,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:32,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:32,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:32,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:33,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:33,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:33,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:33,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:33,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:33,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:28:33,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:28:33,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:28:33,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-21 11:28:33,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086409007] [2020-09-21 11:28:33,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:33,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:33,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004380729] [2020-09-21 11:28:33,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:33,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:33,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:33,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:33,177 INFO L87 Difference]: Start difference. First operand 944 states and 1249 transitions. Second operand 5 states. [2020-09-21 11:28:35,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:35,135 INFO L93 Difference]: Finished difference Result 2446 states and 3355 transitions. [2020-09-21 11:28:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:35,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-09-21 11:28:35,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:35,152 INFO L225 Difference]: With dead ends: 2446 [2020-09-21 11:28:35,152 INFO L226 Difference]: Without dead ends: 1508 [2020-09-21 11:28:35,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:35,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-09-21 11:28:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1318. [2020-09-21 11:28:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2020-09-21 11:28:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1755 transitions. [2020-09-21 11:28:35,219 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1755 transitions. Word has length 216 [2020-09-21 11:28:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:35,220 INFO L479 AbstractCegarLoop]: Abstraction has 1318 states and 1755 transitions. [2020-09-21 11:28:35,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1755 transitions. [2020-09-21 11:28:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-09-21 11:28:35,229 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:35,230 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, 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, 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] [2020-09-21 11:28:35,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:35,230 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:35,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1224500367, now seen corresponding path program 1 times [2020-09-21 11:28:35,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:35,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884745987] [2020-09-21 11:28:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:28:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:28:35,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:28:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-21 11:28:35,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:28:35,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-21 11:28:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:28:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:35,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:35,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:35,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:35,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:28:35,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:35,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:35,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 11:28:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:28:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:28:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:35,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-21 11:28:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:35,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:35,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:35,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-21 11:28:35,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:35,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:28:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 211 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-21 11:28:36,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884745987] [2020-09-21 11:28:36,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:36,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:36,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561896859] [2020-09-21 11:28:36,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:36,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:36,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:36,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:36,284 INFO L87 Difference]: Start difference. First operand 1318 states and 1755 transitions. Second operand 7 states. [2020-09-21 11:28:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:38,199 INFO L93 Difference]: Finished difference Result 2742 states and 3659 transitions. [2020-09-21 11:28:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:28:38,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 318 [2020-09-21 11:28:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:38,208 INFO L225 Difference]: With dead ends: 2742 [2020-09-21 11:28:38,208 INFO L226 Difference]: Without dead ends: 1352 [2020-09-21 11:28:38,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:28:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2020-09-21 11:28:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1314. [2020-09-21 11:28:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-09-21 11:28:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1512 transitions. [2020-09-21 11:28:38,250 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1512 transitions. Word has length 318 [2020-09-21 11:28:38,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:38,250 INFO L479 AbstractCegarLoop]: Abstraction has 1314 states and 1512 transitions. [2020-09-21 11:28:38,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1512 transitions. [2020-09-21 11:28:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-09-21 11:28:38,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:38,257 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, 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, 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] [2020-09-21 11:28:38,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:38,257 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash -569995294, now seen corresponding path program 1 times [2020-09-21 11:28:38,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:38,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423020841] [2020-09-21 11:28:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-21 11:28:38,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:28:38,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:38,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 309 [2020-09-21 11:28:38,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:38,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:38,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:38,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:38,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:38,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:38,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:38,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:38,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:38,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:38,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:38,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:38,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:28:38,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:28:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2020-09-21 11:28:38,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423020841] [2020-09-21 11:28:38,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:38,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:38,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323728556] [2020-09-21 11:28:38,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:38,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:38,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:38,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:38,887 INFO L87 Difference]: Start difference. First operand 1314 states and 1512 transitions. Second operand 5 states. [2020-09-21 11:28:40,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:40,627 INFO L93 Difference]: Finished difference Result 3364 states and 3949 transitions. [2020-09-21 11:28:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:40,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 343 [2020-09-21 11:28:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:40,639 INFO L225 Difference]: With dead ends: 3364 [2020-09-21 11:28:40,639 INFO L226 Difference]: Without dead ends: 2056 [2020-09-21 11:28:40,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:40,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2020-09-21 11:28:40,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1868. [2020-09-21 11:28:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-09-21 11:28:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2150 transitions. [2020-09-21 11:28:40,690 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2150 transitions. Word has length 343 [2020-09-21 11:28:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:40,691 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2150 transitions. [2020-09-21 11:28:40,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2150 transitions. [2020-09-21 11:28:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-09-21 11:28:40,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:40,699 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, 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, 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] [2020-09-21 11:28:40,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:28:40,699 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:40,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1723197441, now seen corresponding path program 1 times [2020-09-21 11:28:40,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:40,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250605744] [2020-09-21 11:28:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-21 11:28:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:28:40,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:28:41,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:41,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:41,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:28:41,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:28:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:41,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:41,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:41,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:41,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:41,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:41,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:28:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:28:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:28:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 285 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-09-21 11:28:41,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250605744] [2020-09-21 11:28:41,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:41,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:28:41,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378528620] [2020-09-21 11:28:41,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:41,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:41,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:41,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:41,395 INFO L87 Difference]: Start difference. First operand 1868 states and 2150 transitions. Second operand 7 states. [2020-09-21 11:28:43,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:43,946 INFO L93 Difference]: Finished difference Result 4688 states and 5454 transitions. [2020-09-21 11:28:43,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:43,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2020-09-21 11:28:43,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:43,964 INFO L225 Difference]: With dead ends: 4688 [2020-09-21 11:28:43,964 INFO L226 Difference]: Without dead ends: 2826 [2020-09-21 11:28:43,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2020-09-21 11:28:44,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2448. [2020-09-21 11:28:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2448 states. [2020-09-21 11:28:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2842 transitions. [2020-09-21 11:28:44,033 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2842 transitions. Word has length 350 [2020-09-21 11:28:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:44,034 INFO L479 AbstractCegarLoop]: Abstraction has 2448 states and 2842 transitions. [2020-09-21 11:28:44,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2842 transitions. [2020-09-21 11:28:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-09-21 11:28:44,039 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:44,039 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:44,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:28:44,039 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:44,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:44,040 INFO L82 PathProgramCache]: Analyzing trace with hash -332081811, now seen corresponding path program 1 times [2020-09-21 11:28:44,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:44,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684672349] [2020-09-21 11:28:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-09-21 11:28:44,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:28:44,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-09-21 11:28:44,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:44,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:44,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:44,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:44,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:44,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:44,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:44,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:44,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:44,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:44,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:44,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:44,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:44,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:44,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:28:44,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:44,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:44,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:28:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-09-21 11:28:44,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684672349] [2020-09-21 11:28:44,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:44,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:44,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750344253] [2020-09-21 11:28:44,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:44,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:44,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:44,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:44,779 INFO L87 Difference]: Start difference. First operand 2448 states and 2842 transitions. Second operand 5 states. [2020-09-21 11:28:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:46,146 INFO L93 Difference]: Finished difference Result 6372 states and 7509 transitions. [2020-09-21 11:28:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:46,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 356 [2020-09-21 11:28:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:46,166 INFO L225 Difference]: With dead ends: 6372 [2020-09-21 11:28:46,167 INFO L226 Difference]: Without dead ends: 3930 [2020-09-21 11:28:46,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3930 states. [2020-09-21 11:28:46,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3930 to 3558. [2020-09-21 11:28:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3558 states. [2020-09-21 11:28:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4123 transitions. [2020-09-21 11:28:46,264 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4123 transitions. Word has length 356 [2020-09-21 11:28:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:46,265 INFO L479 AbstractCegarLoop]: Abstraction has 3558 states and 4123 transitions. [2020-09-21 11:28:46,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4123 transitions. [2020-09-21 11:28:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-09-21 11:28:46,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:46,272 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, 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, 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] [2020-09-21 11:28:46,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:28:46,272 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:46,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:46,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1709773755, now seen corresponding path program 1 times [2020-09-21 11:28:46,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:46,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197086390] [2020-09-21 11:28:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-09-21 11:28:46,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:28:46,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 334 [2020-09-21 11:28:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:46,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:46,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:46,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:28:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:46,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:46,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:46,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:46,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:46,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-21 11:28:46,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:28:46,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:46,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:46,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-09-21 11:28:46,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197086390] [2020-09-21 11:28:46,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:46,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:46,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040177793] [2020-09-21 11:28:46,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:46,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:46,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:46,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:46,839 INFO L87 Difference]: Start difference. First operand 3558 states and 4123 transitions. Second operand 5 states. [2020-09-21 11:28:48,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:48,379 INFO L93 Difference]: Finished difference Result 8218 states and 9634 transitions. [2020-09-21 11:28:48,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:48,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 368 [2020-09-21 11:28:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:48,398 INFO L225 Difference]: With dead ends: 8218 [2020-09-21 11:28:48,399 INFO L226 Difference]: Without dead ends: 4666 [2020-09-21 11:28:48,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2020-09-21 11:28:48,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 4300. [2020-09-21 11:28:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4300 states. [2020-09-21 11:28:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 4300 states and 4953 transitions. [2020-09-21 11:28:48,503 INFO L78 Accepts]: Start accepts. Automaton has 4300 states and 4953 transitions. Word has length 368 [2020-09-21 11:28:48,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:48,504 INFO L479 AbstractCegarLoop]: Abstraction has 4300 states and 4953 transitions. [2020-09-21 11:28:48,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 4953 transitions. [2020-09-21 11:28:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-09-21 11:28:48,511 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:48,511 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:48,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:28:48,512 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:48,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash 655476258, now seen corresponding path program 1 times [2020-09-21 11:28:48,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:48,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915959790] [2020-09-21 11:28:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-09-21 11:28:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 341 [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:48,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:48,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:48,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:48,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:48,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:28:48,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:28:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 11:28:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-09-21 11:28:49,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915959790] [2020-09-21 11:28:49,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:49,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:49,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862921063] [2020-09-21 11:28:49,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:49,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:49,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:49,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:49,106 INFO L87 Difference]: Start difference. First operand 4300 states and 4953 transitions. Second operand 5 states. [2020-09-21 11:28:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:50,666 INFO L93 Difference]: Finished difference Result 8962 states and 10478 transitions. [2020-09-21 11:28:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:50,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2020-09-21 11:28:50,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:50,687 INFO L225 Difference]: With dead ends: 8962 [2020-09-21 11:28:50,687 INFO L226 Difference]: Without dead ends: 4852 [2020-09-21 11:28:50,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2020-09-21 11:28:50,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4668. [2020-09-21 11:28:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4668 states. [2020-09-21 11:28:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4668 states to 4668 states and 5319 transitions. [2020-09-21 11:28:50,801 INFO L78 Accepts]: Start accepts. Automaton has 4668 states and 5319 transitions. Word has length 375 [2020-09-21 11:28:50,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:50,802 INFO L479 AbstractCegarLoop]: Abstraction has 4668 states and 5319 transitions. [2020-09-21 11:28:50,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4668 states and 5319 transitions. [2020-09-21 11:28:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-09-21 11:28:50,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:50,817 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:50,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:28:50,818 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:50,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:50,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1107569118, now seen corresponding path program 1 times [2020-09-21 11:28:50,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:50,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925097295] [2020-09-21 11:28:50,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 355 [2020-09-21 11:28:51,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:51,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:51,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:51,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:51,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:28:51,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:28:51,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:51,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-21 11:28:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:51,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:51,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:51,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:51,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 11:28:51,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:51,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-21 11:28:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-09-21 11:28:51,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925097295] [2020-09-21 11:28:51,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:51,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:51,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942206871] [2020-09-21 11:28:51,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:51,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:51,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:51,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:51,461 INFO L87 Difference]: Start difference. First operand 4668 states and 5319 transitions. Second operand 5 states. [2020-09-21 11:28:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:52,893 INFO L93 Difference]: Finished difference Result 10612 states and 12091 transitions. [2020-09-21 11:28:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:52,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 389 [2020-09-21 11:28:52,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:52,925 INFO L225 Difference]: With dead ends: 10612 [2020-09-21 11:28:52,925 INFO L226 Difference]: Without dead ends: 4474 [2020-09-21 11:28:52,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2020-09-21 11:28:53,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4472. [2020-09-21 11:28:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4472 states. [2020-09-21 11:28:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4472 states to 4472 states and 5028 transitions. [2020-09-21 11:28:53,026 INFO L78 Accepts]: Start accepts. Automaton has 4472 states and 5028 transitions. Word has length 389 [2020-09-21 11:28:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:53,028 INFO L479 AbstractCegarLoop]: Abstraction has 4472 states and 5028 transitions. [2020-09-21 11:28:53,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states and 5028 transitions. [2020-09-21 11:28:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2020-09-21 11:28:53,038 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:53,039 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:53,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:28:53,039 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:53,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:53,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1116127298, now seen corresponding path program 1 times [2020-09-21 11:28:53,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:53,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971040948] [2020-09-21 11:28:53,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:53,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:53,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:53,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:53,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:53,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 456 [2020-09-21 11:28:53,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:28:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 407 [2020-09-21 11:28:53,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:28:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:53,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:53,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:53,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:53,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:53,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:53,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:28:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:53,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:28:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:53,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:53,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:53,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:53,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-21 11:28:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:53,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:53,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:53,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:53,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:53,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-21 11:28:53,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:53,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:28:53,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:53,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:53,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:53,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-21 11:28:53,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2020-09-21 11:28:53,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971040948] [2020-09-21 11:28:53,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:53,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:53,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318981588] [2020-09-21 11:28:53,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:53,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:53,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:53,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:53,689 INFO L87 Difference]: Start difference. First operand 4472 states and 5028 transitions. Second operand 5 states. [2020-09-21 11:28:54,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:54,856 INFO L93 Difference]: Finished difference Result 10032 states and 11257 transitions. [2020-09-21 11:28:54,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:54,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 441 [2020-09-21 11:28:54,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:54,858 INFO L225 Difference]: With dead ends: 10032 [2020-09-21 11:28:54,858 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:28:54,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:54,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:28:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:28:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:28:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:28:54,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 441 [2020-09-21 11:28:54,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:54,874 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:28:54,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:28:54,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:28:54,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:28:54,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:56,681 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 127 [2020-09-21 11:28:57,144 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 127 [2020-09-21 11:28:58,057 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 50 [2020-09-21 11:28:58,587 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 32 [2020-09-21 11:28:59,015 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 32 [2020-09-21 11:28:59,019 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:59,020 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-21 11:28:59,020 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:59,020 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 11:28:59,020 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 11:28:59,020 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 11:28:59,021 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 11:28:59,022 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:59,023 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,024 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,025 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 11:28:59,025 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:59,025 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:59,025 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:59,025 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,026 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,028 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,028 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 11:28:59,028 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:59,028 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:59,028 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:59,029 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,030 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 11:28:59,031 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:59,032 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,034 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:59,035 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 11:28:59,036 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (and .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3))) (and (or .cse0 (not (<= 8 |old(~a15~0)|))) (or (and .cse1 (= ~a21~0 9) .cse2 .cse3) (not (= 9 |old(~a21~0)|))) (or .cse0 (not (= 7 |old(~a15~0)|))) (or .cse0 (not (<= |old(~a12~0)| 10))) (or .cse0 (not (= 5 |old(~a15~0)|))) (or (and .cse1 (= ~a21~0 8) .cse2 .cse3) (not (= 8 |old(~a21~0)|))) (or (and .cse1 (= ~a21~0 6) .cse2 .cse3) (not (= 6 |old(~a21~0)|))) (or (not (= 10 |old(~a21~0)|)) .cse0)))) [2020-09-21 11:28:59,036 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 11:28:59,036 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 11:28:59,036 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:59,037 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 11:28:59,038 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 11:28:59,038 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 11:28:59,038 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 11:28:59,038 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 11:28:59,038 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 11:28:59,039 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:59,040 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 11:28:59,041 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,042 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 11:28:59,043 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 11:28:59,044 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 11:28:59,045 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 11:28:59,046 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 11:28:59,047 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:59,048 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,049 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,050 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 11:28:59,051 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 11:28:59,052 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 11:28:59,053 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:59,054 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:59,055 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:59,055 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 11:28:59,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:59,055 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8)) [2020-09-21 11:28:59,056 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:59,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:59,056 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-09-21 11:28:59,057 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:59,057 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (= 5 ~a15~0) (= 7 ~a15~0) (<= 8 ~a15~0) (<= ~a12~0 10) (= ~a21~0 10) (= ~a21~0 6) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (= ~a21~0 8) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:59,058 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 11:28:59,058 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 11:28:59,058 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (= 5 ~a15~0) (= 7 ~a15~0) (<= 8 ~a15~0) (<= ~a12~0 10) (= ~a21~0 10) (= ~a21~0 6) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (= ~a21~0 9) (= ~a21~0 8) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-09-21 11:28:59,059 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 11:28:59,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:59 BoogieIcfgContainer [2020-09-21 11:28:59,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:59,098 INFO L168 Benchmark]: Toolchain (without parser) took 39774.72 ms. Allocated memory was 141.6 MB in the beginning and 784.9 MB in the end (delta: 643.3 MB). Free memory was 101.6 MB in the beginning and 360.8 MB in the end (delta: -259.2 MB). Peak memory consumption was 659.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:59,099 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:28:59,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1017.60 ms. Allocated memory was 141.6 MB in the beginning and 208.1 MB in the end (delta: 66.6 MB). Free memory was 101.0 MB in the beginning and 170.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:59,100 INFO L168 Benchmark]: Boogie Preprocessor took 138.97 ms. Allocated memory is still 208.1 MB. Free memory was 170.5 MB in the beginning and 165.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:59,111 INFO L168 Benchmark]: RCFGBuilder took 1664.58 ms. Allocated memory was 208.1 MB in the beginning and 237.5 MB in the end (delta: 29.4 MB). Free memory was 165.0 MB in the beginning and 152.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:59,112 INFO L168 Benchmark]: TraceAbstraction took 36941.76 ms. Allocated memory was 237.5 MB in the beginning and 784.9 MB in the end (delta: 547.4 MB). Free memory was 152.3 MB in the beginning and 360.8 MB in the end (delta: -208.5 MB). Peak memory consumption was 614.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:59,119 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1017.60 ms. Allocated memory was 141.6 MB in the beginning and 208.1 MB in the end (delta: 66.6 MB). Free memory was 101.0 MB in the beginning and 170.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.97 ms. Allocated memory is still 208.1 MB. Free memory was 170.5 MB in the beginning and 165.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1664.58 ms. Allocated memory was 208.1 MB in the beginning and 237.5 MB in the end (delta: 29.4 MB). Free memory was 165.0 MB in the beginning and 152.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 76.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36941.76 ms. Allocated memory was 237.5 MB in the beginning and 784.9 MB in the end (delta: 547.4 MB). Free memory was 152.3 MB in the beginning and 360.8 MB in the end (delta: -208.5 MB). Peak memory consumption was 614.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((5 == a15 || 7 == a15) || 8 <= a15) || a12 <= 10) || a21 == 10) || a21 == 6) || !(8 <= \old(a15))) || !(\old(a15) <= 8)) || a21 == 9) || a21 == 8) || !(7 <= \old(a21))) || !(\old(a12) + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 23.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 342 SDtfs, 6814 SDslu, 348 SDs, 0 SdLazy, 12031 SolverSat, 1562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 119 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4668occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 2132 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 186 PreInvPairs, 272 NumberOfFragments, 313 HoareAnnotationTreeSize, 186 FomulaSimplifications, 804680 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15294 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 3697 NumberOfCodeBlocks, 3697 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3684 ConstructedInterpolants, 0 QuantifiedInterpolants, 2569681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 3554/3714 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...