/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:40:04,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:40:04,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:40:04,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:40:04,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:40:04,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:40:04,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:40:04,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:40:04,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:40:04,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:40:04,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:40:04,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:40:04,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:40:04,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:40:04,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:40:04,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:40:04,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:40:04,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:40:04,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:40:04,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:40:04,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:40:04,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:40:04,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:40:04,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:40:04,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:40:04,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:40:04,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:40:04,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:40:04,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:40:04,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:40:04,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:40:04,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:40:04,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:40:04,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:40:04,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:40:04,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:40:04,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:40:04,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:40:04,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:40:04,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:40:04,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:40:04,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:40:04,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:40:04,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:40:04,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:40:04,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:40:04,165 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:40:04,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:40:04,165 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:40:04,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:40:04,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:40:04,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:40:04,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:40:04,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:40:04,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:40:04,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:40:04,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:40:04,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:40:04,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:40:04,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:40:04,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:40:04,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:40:04,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:40:04,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:40:04,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:40:04,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:40:04,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:40:04,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:40:04,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:40:04,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:40:04,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:40:04,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:40:04,493 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2020-10-13 11:40:04,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbf18825/722b5847d24a4f1f91a21e7a64c9c375/FLAG265383505 [2020-10-13 11:40:05,214 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:40:05,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product29.cil.c [2020-10-13 11:40:05,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbf18825/722b5847d24a4f1f91a21e7a64c9c375/FLAG265383505 [2020-10-13 11:40:05,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3dbf18825/722b5847d24a4f1f91a21e7a64c9c375 [2020-10-13 11:40:05,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:40:05,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:40:05,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:40:05,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:40:05,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:40:05,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:40:05" (1/1) ... [2020-10-13 11:40:05,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dc7e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:05, skipping insertion in model container [2020-10-13 11:40:05,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:40:05" (1/1) ... [2020-10-13 11:40:05,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:40:05,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:40:06,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:40:06,154 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:40:06,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:40:06,326 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:40:06,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06 WrapperNode [2020-10-13 11:40:06,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:40:06,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:40:06,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:40:06,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:40:06,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... [2020-10-13 11:40:06,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:40:06,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:40:06,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:40:06,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:40:06,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:40:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:40:06,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:40:06,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:40:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:40:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:40:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:40:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:40:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:40:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:40:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:40:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:40:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:40:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:40:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:40:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:40:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:40:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:40:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:40:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:40:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:40:06,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:40:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:40:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:40:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:40:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:40:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:40:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:40:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:40:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:40:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:40:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:40:06,646 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:40:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:40:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:40:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:40:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:40:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:40:06,648 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:40:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:40:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:40:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:40:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:40:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:40:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:40:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:40:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:40:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:40:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:40:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:40:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:40:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:40:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:40:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:40:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:40:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:40:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:40:06,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:40:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:40:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:40:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:40:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:40:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:40:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:40:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:40:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:40:06,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:40:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:40:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:40:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:40:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:40:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:40:06,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:40:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:40:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:40:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:40:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:40:06,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:40:06,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:40:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:40:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:40:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:40:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:40:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:40:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:40:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:40:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:40:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:40:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:40:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:40:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:40:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:40:08,670 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:40:08,671 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:40:08,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:40:08 BoogieIcfgContainer [2020-10-13 11:40:08,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:40:08,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:40:08,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:40:08,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:40:08,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:40:05" (1/3) ... [2020-10-13 11:40:08,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc1f39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:40:08, skipping insertion in model container [2020-10-13 11:40:08,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:40:06" (2/3) ... [2020-10-13 11:40:08,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc1f39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:40:08, skipping insertion in model container [2020-10-13 11:40:08,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:40:08" (3/3) ... [2020-10-13 11:40:08,687 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product29.cil.c [2020-10-13 11:40:08,698 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:40:08,707 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:40:08,720 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:40:08,746 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:40:08,746 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:40:08,747 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:40:08,747 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:40:08,747 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:40:08,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:40:08,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:40:08,747 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:40:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states. [2020-10-13 11:40:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:40:08,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:08,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:08,817 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:08,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:08,823 INFO L82 PathProgramCache]: Analyzing trace with hash 998764860, now seen corresponding path program 1 times [2020-10-13 11:40:08,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:08,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976163069] [2020-10-13 11:40:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:14,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:40:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 11:40:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:14,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:40:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:40:15,496 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:40:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:15,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 11:40:15,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:15,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:15,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:15,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:15,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:15,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:15,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:15,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,852 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:20,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:20,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:40:20,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:20,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:40:20,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:20,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:20,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:40:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:21,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:40:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 556 [2020-10-13 11:40:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:21,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:21,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:21,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:40:21,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:21,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:40:21,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:21,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:40:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:21,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:21,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:21,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:21,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:40:21,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:21,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:21,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:21,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:21,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:40:21,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:21,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:40:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:23,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:24,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:24,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 11:40:24,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:40:24,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3021 [2020-10-13 11:40:24,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-13 11:40:24,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:24,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:40:26,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:26,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1478 [2020-10-13 11:40:26,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:26,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:40:26,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:40:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:40:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:40:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:40:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:40:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:26,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:40:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:40:26,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:26,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:40:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:26,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:26,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:40:26,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:26,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:26,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:26,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:26,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:40:26,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976163069] [2020-10-13 11:40:26,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:26,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:40:26,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241400745] [2020-10-13 11:40:26,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:40:26,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:26,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:40:26,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:40:26,681 INFO L87 Difference]: Start difference. First operand 780 states. Second operand 10 states. [2020-10-13 11:40:28,316 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:40:29,046 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:40:30,715 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:40:33,116 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:40:45,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:45,814 INFO L93 Difference]: Finished difference Result 1779 states and 3126 transitions. [2020-10-13 11:40:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:40:45,822 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2020-10-13 11:40:45,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:45,857 INFO L225 Difference]: With dead ends: 1779 [2020-10-13 11:40:45,858 INFO L226 Difference]: Without dead ends: 1148 [2020-10-13 11:40:45,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:40:45,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2020-10-13 11:40:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 620. [2020-10-13 11:40:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-13 11:40:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 988 transitions. [2020-10-13 11:40:46,224 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 988 transitions. Word has length 126 [2020-10-13 11:40:46,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:46,224 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 988 transitions. [2020-10-13 11:40:46,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:40:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 988 transitions. [2020-10-13 11:40:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:40:46,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:46,235 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:46,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:40:46,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:46,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:46,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1436115491, now seen corresponding path program 1 times [2020-10-13 11:40:46,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:46,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401909841] [2020-10-13 11:40:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:46,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:48,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:51,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:51,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 11:40:51,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:40:51,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:40:51,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:51,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:40:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:52,117 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:40:52,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:40:52,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:52,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:52,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:52,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:52,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:52,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:52,394 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:52,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:52,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:57,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-13 11:40:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:40:57,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:40:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:57,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:40:57,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:57,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-13 11:40:57,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:57,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:57,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:40:57,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:40:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:57,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:57,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:57,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:40:57,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:57,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:57,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:57,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:58,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:59,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 11:41:00,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2044 [2020-10-13 11:41:00,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 11:41:00,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:00,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:00,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:41:01,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-13 11:41:01,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:01,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:41:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:01,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:01,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:41:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:01,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:41:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:41:01,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:41:01,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:01,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:01,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:01,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:01,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:41:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:41:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:01,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:01,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:41:01,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:01,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:01,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:41:01,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401909841] [2020-10-13 11:41:01,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:01,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:41:01,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820346302] [2020-10-13 11:41:01,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:41:01,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:01,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:41:01,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:41:01,300 INFO L87 Difference]: Start difference. First operand 620 states and 988 transitions. Second operand 10 states. [2020-10-13 11:41:02,775 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:41:03,526 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:41:04,977 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:07,205 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:41:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:19,711 INFO L93 Difference]: Finished difference Result 1731 states and 3025 transitions. [2020-10-13 11:41:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:41:19,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-10-13 11:41:19,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:19,725 INFO L225 Difference]: With dead ends: 1731 [2020-10-13 11:41:19,725 INFO L226 Difference]: Without dead ends: 1148 [2020-10-13 11:41:19,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:41:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2020-10-13 11:41:19,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 620. [2020-10-13 11:41:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-10-13 11:41:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 987 transitions. [2020-10-13 11:41:19,916 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 987 transitions. Word has length 129 [2020-10-13 11:41:19,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:19,916 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 987 transitions. [2020-10-13 11:41:19,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:41:19,916 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 987 transitions. [2020-10-13 11:41:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 11:41:19,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:19,922 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:19,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:41:19,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:19,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:19,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1964351121, now seen corresponding path program 1 times [2020-10-13 11:41:19,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:19,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157948684] [2020-10-13 11:41:19,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:24,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:24,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:24,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 11:41:24,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:41:24,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:41:24,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:41:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:24,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,740 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:41:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:25,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:25,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:25,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:25,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:25,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:25,979 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:41:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:26,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:26,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:26,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:29,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-13 11:41:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:31,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:31,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:41:31,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-13 11:41:31,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:31,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:31,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:31,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:31,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:31,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:41:31,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:31,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:31,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:31,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:31,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:31,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:41:31,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:31,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:31,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:41:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:31,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:31,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:31,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:41:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:31,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:31,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 11:41:33,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:41:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1384 [2020-10-13 11:41:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 11:41:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:33,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:33,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:41:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:33,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:33,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:41:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:33,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:41:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:41:33,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:41:33,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:33,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:33,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:41:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:33,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:33,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:41:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:33,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:41:33,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:41:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:33,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:33,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:33,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:33,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:33,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:33,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:33,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:41:34,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157948684] [2020-10-13 11:41:34,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:34,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:41:34,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902131275] [2020-10-13 11:41:34,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:41:34,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:34,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:41:34,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:41:34,094 INFO L87 Difference]: Start difference. First operand 620 states and 987 transitions. Second operand 11 states. [2020-10-13 11:41:37,082 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:39,571 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:41:41,515 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:41:44,648 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:41:45,404 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:41:45,657 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-13 11:42:02,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:02,643 INFO L93 Difference]: Finished difference Result 1681 states and 2963 transitions. [2020-10-13 11:42:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:42:02,644 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2020-10-13 11:42:02,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:02,655 INFO L225 Difference]: With dead ends: 1681 [2020-10-13 11:42:02,655 INFO L226 Difference]: Without dead ends: 1154 [2020-10-13 11:42:02,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:42:02,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-13 11:42:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 624. [2020-10-13 11:42:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 11:42:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 992 transitions. [2020-10-13 11:42:02,850 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 992 transitions. Word has length 130 [2020-10-13 11:42:02,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:02,851 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 992 transitions. [2020-10-13 11:42:02,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:42:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 992 transitions. [2020-10-13 11:42:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 11:42:02,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:02,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:02,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:42:02,857 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:02,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:02,858 INFO L82 PathProgramCache]: Analyzing trace with hash 156683122, now seen corresponding path program 1 times [2020-10-13 11:42:02,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:02,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775991224] [2020-10-13 11:42:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:04,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:05,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:07,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:42:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,716 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:42:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:08,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:08,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:08,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:08,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:08,963 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:42:08,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:13,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:13,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:42:14,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:14,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:14,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:14,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:14,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:42:14,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:42:14,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:42:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:14,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:14,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:14,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:42:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:15,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:42:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:42:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:42:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:42:15,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:42:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:15,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:15,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:42:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:42:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:42:15,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775991224] [2020-10-13 11:42:15,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:15,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:42:15,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609015024] [2020-10-13 11:42:15,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:42:15,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:15,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:42:15,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:42:15,322 INFO L87 Difference]: Start difference. First operand 624 states and 992 transitions. Second operand 10 states. [2020-10-13 11:42:16,750 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:42:18,289 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:42:20,644 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:37,564 INFO L93 Difference]: Finished difference Result 1693 states and 2950 transitions. [2020-10-13 11:42:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:42:37,565 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-10-13 11:42:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:37,576 INFO L225 Difference]: With dead ends: 1693 [2020-10-13 11:42:37,576 INFO L226 Difference]: Without dead ends: 1152 [2020-10-13 11:42:37,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:42:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-13 11:42:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 624. [2020-10-13 11:42:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 11:42:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 987 transitions. [2020-10-13 11:42:37,752 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 987 transitions. Word has length 136 [2020-10-13 11:42:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:37,753 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 987 transitions. [2020-10-13 11:42:37,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:42:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 987 transitions. [2020-10-13 11:42:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-13 11:42:37,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:37,757 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:37,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:42:37,758 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:37,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:37,758 INFO L82 PathProgramCache]: Analyzing trace with hash 121334815, now seen corresponding path program 1 times [2020-10-13 11:42:37,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:37,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731575685] [2020-10-13 11:42:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:37,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:37,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:40,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:42,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,517 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:42:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:43,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:42:43,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:43,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:43,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:43,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:43,771 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:42:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:43,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:48,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 11:42:48,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:42:48,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:42:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:48,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:48,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:42:49,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:42:49,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:42:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:42:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:42:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:50,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:50,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:42:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:42:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:50,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:42:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:42:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:42:50,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:42:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:42:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:42:50,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:50,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:42:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:50,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:50,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:50,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:50,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:50,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:42:50,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731575685] [2020-10-13 11:42:50,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:50,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:42:50,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393534777] [2020-10-13 11:42:50,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:42:50,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:50,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:42:50,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:42:50,228 INFO L87 Difference]: Start difference. First operand 624 states and 987 transitions. Second operand 10 states. [2020-10-13 11:42:51,754 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:42:53,215 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:42:55,539 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:43:16,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:16,318 INFO L93 Difference]: Finished difference Result 1693 states and 2945 transitions. [2020-10-13 11:43:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:43:16,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-13 11:43:16,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:16,329 INFO L225 Difference]: With dead ends: 1693 [2020-10-13 11:43:16,329 INFO L226 Difference]: Without dead ends: 1152 [2020-10-13 11:43:16,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:43:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-13 11:43:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 624. [2020-10-13 11:43:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-13 11:43:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 982 transitions. [2020-10-13 11:43:16,479 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 982 transitions. Word has length 137 [2020-10-13 11:43:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:16,479 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 982 transitions. [2020-10-13 11:43:16,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:43:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 982 transitions. [2020-10-13 11:43:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 11:43:16,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:16,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:43:16,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:43:16,485 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:16,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:16,486 INFO L82 PathProgramCache]: Analyzing trace with hash 678676589, now seen corresponding path program 1 times [2020-10-13 11:43:16,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:16,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133772434] [2020-10-13 11:43:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:16,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:17,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:17,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:17,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:17,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:43:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:43:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,265 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:43:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:22,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:22,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:43:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:22,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:22,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:22,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:22,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:22,554 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:43:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:43:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:22,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:22,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:27,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 11:43:27,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:43:27,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:27,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:43:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:43:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:27,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:27,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:27,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:43:27,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:43:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:27,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:27,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:43:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:27,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:27,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:27,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:27,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:43:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 11:43:28,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:43:28,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:43:28,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:43:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:28,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:43:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:43:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:28,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:43:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:43:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:43:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:43:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:43:28,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:43:28,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:28,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:28,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:43:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:28,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:28,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:28,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:43:28,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133772434] [2020-10-13 11:43:28,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:28,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:43:28,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025722808] [2020-10-13 11:43:28,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:43:28,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:28,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:43:28,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:43:28,864 INFO L87 Difference]: Start difference. First operand 624 states and 982 transitions. Second operand 10 states. [2020-10-13 11:43:30,304 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:43:31,070 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:43:32,520 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:43:34,651 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121