/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:52:22,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:52:22,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:52:22,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:52:22,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:52:22,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:52:22,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:52:22,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:52:22,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:52:22,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:52:22,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:52:22,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:52:22,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:52:22,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:52:22,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:52:22,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:52:22,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:52:22,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:52:22,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:52:22,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:52:22,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:52:22,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:52:22,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:52:22,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:52:22,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:52:22,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:52:22,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:52:22,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:52:22,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:52:22,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:52:22,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:52:22,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:52:22,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:52:22,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:52:22,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:52:22,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:52:22,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:52:22,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:52:22,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:52:22,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:52:22,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:52:22,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 05:52:22,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:52:22,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:52:22,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:52:22,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:52:22,455 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:52:22,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:52:22,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:52:22,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:52:22,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:52:22,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:52:22,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:52:22,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:52:22,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:52:22,457 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:52:22,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:52:22,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:52:22,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:52:22,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:52:22,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:52:22,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:52:22,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:52:22,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:52:22,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:52:22,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:52:22,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:52:22,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:52:22,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:52:22,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:52:22,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:52:22,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:52:22,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:52:22,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:52:22,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:52:22,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:52:22,824 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:52:22,824 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-14 05:52:22,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e29b5085/fafa46a07dc64c1eb41870aee8d6b14b/FLAG70efafafd [2020-10-14 05:52:23,470 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:52:23,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-14 05:52:23,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e29b5085/fafa46a07dc64c1eb41870aee8d6b14b/FLAG70efafafd [2020-10-14 05:52:23,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e29b5085/fafa46a07dc64c1eb41870aee8d6b14b [2020-10-14 05:52:23,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:52:23,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:52:23,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:52:23,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:52:23,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:52:23,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:52:23" (1/1) ... [2020-10-14 05:52:23,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a146fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:23, skipping insertion in model container [2020-10-14 05:52:23,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:52:23" (1/1) ... [2020-10-14 05:52:23,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:52:23,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:52:24,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:52:24,579 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:52:24,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:52:24,842 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:52:24,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24 WrapperNode [2020-10-14 05:52:24,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:52:24,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:52:24,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:52:24,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:52:24,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:24,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:24,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:24,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:24,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:25,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:25,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... [2020-10-14 05:52:25,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:52:25,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:52:25,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:52:25,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:52:25,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:52:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:52:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:52:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:52:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:52:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:52:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:52:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:52:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:52:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:52:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:52:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:52:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:52:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:52:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:52:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:52:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:52:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:52:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:52:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:52:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:52:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:52:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:52:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:52:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:52:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:52:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:52:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:52:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:52:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:52:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:52:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:52:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:52:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:52:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:52:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:52:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:52:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:52:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:52:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:52:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:52:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:52:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:52:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:52:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:52:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:52:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:52:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:52:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:52:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:52:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:52:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:52:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:52:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:52:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:52:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:52:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:52:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:52:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:52:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:52:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:52:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:52:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:52:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:52:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:52:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:52:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:52:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:52:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:52:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:52:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:52:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:52:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:52:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:52:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:52:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:52:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:52:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:52:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:52:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:52:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:52:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:52:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:52:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:52:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:52:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:52:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:52:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:52:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:52:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:52:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:52:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:52:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:52:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:52:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:52:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:52:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:52:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:52:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:52:25,206 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:52:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:52:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:52:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:52:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:52:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:52:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:52:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:52:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:52:27,709 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:52:27,709 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:52:27,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:52:27 BoogieIcfgContainer [2020-10-14 05:52:27,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:52:27,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:52:27,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:52:27,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:52:27,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:52:23" (1/3) ... [2020-10-14 05:52:27,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d47c372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:52:27, skipping insertion in model container [2020-10-14 05:52:27,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:52:24" (2/3) ... [2020-10-14 05:52:27,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d47c372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:52:27, skipping insertion in model container [2020-10-14 05:52:27,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:52:27" (3/3) ... [2020-10-14 05:52:27,729 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2020-10-14 05:52:27,742 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:52:27,752 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:52:27,766 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:52:27,795 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:52:27,795 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:52:27,795 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:52:27,795 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:52:27,795 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:52:27,795 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:52:27,796 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:52:27,796 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:52:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states. [2020-10-14 05:52:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 05:52:27,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:52:27,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:52:27,903 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:52:27,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:52:27,910 INFO L82 PathProgramCache]: Analyzing trace with hash 2036682546, now seen corresponding path program 1 times [2020-10-14 05:52:27,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:52:27,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466310971] [2020-10-14 05:52:27,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:52:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:28,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:28,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:31,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:33,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 05:52:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:52:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-14 05:52:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:33,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:52:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:52:34,791 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:52:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:34,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 05:52:34,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:52:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:34,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:52:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:52:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:34,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:52:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:52:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:34,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:34,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:52:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:52:34,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:34,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:52:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:34,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:34,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:34,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:52:34,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:34,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:35,189 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:52:35,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:52:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:35,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:38,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:40,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 05:52:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:52:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 05:52:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:40,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:52:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:40,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:40,414 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:52:40,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:52:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:40,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:40,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:41,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:52:41,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:52:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 841 [2020-10-14 05:52:41,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:41,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:52:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:52:41,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:41,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:41,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:41,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:41,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:52:41,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:41,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:41,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:41,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:41,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:41,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:41,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:52:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:41,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:41,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:52:41,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:41,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 05:52:41,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:41,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:52:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:52:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:52:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:52:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:41,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:52:41,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:52:41,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:41,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:52:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:52:41,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:41,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:41,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:41,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:41,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:41,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:52:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:41,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:52:42,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:52:42,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-14 05:52:42,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 05:52:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:42,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:52:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:52:42,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:52:42,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:52:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:52:42,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:42,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:52:42,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:42,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:52:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:52:42,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:52:42,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 05:52:42,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 05:52:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:52:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:52:42,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:42,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:42,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:52:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:52:42,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:52:42,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:52:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:52:42,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:52:42,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:52:42,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:52:42,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:52:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:52:42,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:52:42,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:52:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:52:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:52:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:52:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:52:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:52:42,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466310971] [2020-10-14 05:52:42,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:52:42,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:52:42,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565228173] [2020-10-14 05:52:42,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:52:42,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:52:42,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:52:42,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:52:42,757 INFO L87 Difference]: Start difference. First operand 818 states. Second operand 9 states. [2020-10-14 05:52:44,800 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:53:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:53:01,974 INFO L93 Difference]: Finished difference Result 1582 states and 2635 transitions. [2020-10-14 05:53:01,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:53:01,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-14 05:53:01,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:53:02,012 INFO L225 Difference]: With dead ends: 1582 [2020-10-14 05:53:02,012 INFO L226 Difference]: Without dead ends: 927 [2020-10-14 05:53:02,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:53:02,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-14 05:53:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 657. [2020-10-14 05:53:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-14 05:53:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1034 transitions. [2020-10-14 05:53:02,322 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1034 transitions. Word has length 116 [2020-10-14 05:53:02,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:53:02,323 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1034 transitions. [2020-10-14 05:53:02,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:53:02,323 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1034 transitions. [2020-10-14 05:53:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 05:53:02,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:53:02,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:53:02,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:53:02,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:53:02,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:53:02,330 INFO L82 PathProgramCache]: Analyzing trace with hash -2026900547, now seen corresponding path program 1 times [2020-10-14 05:53:02,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:53:02,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845098638] [2020-10-14 05:53:02,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:53:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:02,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:02,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:03,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:04,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:07,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:07,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 05:53:07,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:53:07,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:53:07,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:08,248 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:53:08,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:53:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:53:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:08,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:08,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:53:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:08,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:08,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:53:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:08,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:53:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:08,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:08,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:08,523 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:53:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:53:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:08,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:08,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:10,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:10,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:13,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 05:53:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:53:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 05:53:13,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:13,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:53:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:53:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:13,694 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:53:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:13,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:13,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:14,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:53:14,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-14 05:53:14,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:14,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:53:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:53:14,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:14,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:14,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:53:14,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:14,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:53:14,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:14,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:14,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:14,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:53:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 05:53:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:53:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:14,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:14,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:14,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:53:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:14,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:53:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:53:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:14,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:14,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:14,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:14,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:14,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:14,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:53:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:14,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:14,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 05:53:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:15,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:53:15,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:53:15,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:53:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:15,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:15,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 05:53:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:53:15,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:53:15,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:53:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:53:15,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:53:15,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:15,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:15,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:53:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:53:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:15,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:15,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:15,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:15,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:15,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:15,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:15,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:15,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:15,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:53:15,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845098638] [2020-10-14 05:53:15,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:53:15,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:53:15,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328788119] [2020-10-14 05:53:15,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:53:15,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:53:15,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:53:15,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:53:15,402 INFO L87 Difference]: Start difference. First operand 657 states and 1034 transitions. Second operand 9 states. [2020-10-14 05:53:16,904 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:53:30,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:53:30,307 INFO L93 Difference]: Finished difference Result 1559 states and 2575 transitions. [2020-10-14 05:53:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:53:30,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-14 05:53:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:53:30,318 INFO L225 Difference]: With dead ends: 1559 [2020-10-14 05:53:30,318 INFO L226 Difference]: Without dead ends: 927 [2020-10-14 05:53:30,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:53:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-14 05:53:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 657. [2020-10-14 05:53:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-14 05:53:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1029 transitions. [2020-10-14 05:53:30,491 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1029 transitions. Word has length 120 [2020-10-14 05:53:30,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:53:30,491 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 1029 transitions. [2020-10-14 05:53:30,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:53:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1029 transitions. [2020-10-14 05:53:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 05:53:30,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:53:30,494 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:53:30,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:53:30,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:53:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:53:30,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1604844069, now seen corresponding path program 1 times [2020-10-14 05:53:30,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:53:30,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848155811] [2020-10-14 05:53:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:53:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:30,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:30,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:31,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:31,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:35,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:35,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 05:53:35,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:53:35,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 05:53:35,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:35,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:35,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:35,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:53:35,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,421 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:53:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:53:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:53:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:36,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:53:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:36,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:53:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:53:36,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:53:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:36,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:36,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:36,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:36,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:36,731 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:53:36,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:53:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:37,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:37,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:39,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 05:53:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:53:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 05:53:41,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:41,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:53:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:41,889 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:53:41,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:53:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:41,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:53:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:53:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:42,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:42,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:53:42,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:42,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:42,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:53:42,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:53:42,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:53:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:53:42,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 05:53:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:42,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:53:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:42,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:53:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:53:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:42,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:42,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:42,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 05:53:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:53:42,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:53:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-14 05:53:42,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:53:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:42,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:42,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:53:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:42,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:42,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:53:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:53:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:53:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:53:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:53:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:53:43,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:53:43,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:43,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:53:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:53:43,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:53:43,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:53:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:53:43,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:53:43,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:43,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:53:43,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:53:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:53:43,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:53:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:53:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:53:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:53:43,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:53:43,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:53:43,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:53:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:53:43,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:53:43,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:53:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:53:43,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:53:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:53:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:53:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:53:43,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848155811] [2020-10-14 05:53:43,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:53:43,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:53:43,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642860882] [2020-10-14 05:53:43,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:53:43,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:53:43,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:53:43,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:53:43,304 INFO L87 Difference]: Start difference. First operand 657 states and 1029 transitions. Second operand 9 states. [2020-10-14 05:53:45,093 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:53:47,197 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:53:48,007 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:54:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:54:04,576 INFO L93 Difference]: Finished difference Result 1598 states and 2624 transitions. [2020-10-14 05:54:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:54:04,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-14 05:54:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:54:04,589 INFO L225 Difference]: With dead ends: 1598 [2020-10-14 05:54:04,590 INFO L226 Difference]: Without dead ends: 973 [2020-10-14 05:54:04,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:54:04,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-10-14 05:54:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 696. [2020-10-14 05:54:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-14 05:54:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1093 transitions. [2020-10-14 05:54:04,758 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1093 transitions. Word has length 122 [2020-10-14 05:54:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:54:04,758 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 1093 transitions. [2020-10-14 05:54:04,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:54:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1093 transitions. [2020-10-14 05:54:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:54:04,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:54:04,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:54:04,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:54:04,761 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:54:04,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:54:04,761 INFO L82 PathProgramCache]: Analyzing trace with hash -775845342, now seen corresponding path program 1 times [2020-10-14 05:54:04,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:54:04,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297439574] [2020-10-14 05:54:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:54:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:04,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:04,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:06,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:09,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:54:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:09,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:10,949 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:54:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:10,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:11,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 05:54:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:11,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:11,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:54:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:11,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:11,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:54:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:11,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:11,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:54:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:11,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:54:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:11,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:11,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:11,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:11,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:11,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:11,365 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:54:11,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:54:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:11,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:16,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:16,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:54:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:16,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:16,542 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:54:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:16,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:16,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:54:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-14 05:54:17,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:54:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:54:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:54:17,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:54:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:17,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:54:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:54:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:54:17,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:17,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:17,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:54:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:17,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:17,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:17,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:17,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:54:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:54:17,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:17,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:17,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:17,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:54:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:54:17,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:17,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:17,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:17,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:17,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:17,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:17,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:54:17,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297439574] [2020-10-14 05:54:17,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:54:17,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:54:17,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732009161] [2020-10-14 05:54:17,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:54:17,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:54:17,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:54:17,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:54:17,983 INFO L87 Difference]: Start difference. First operand 696 states and 1093 transitions. Second operand 9 states. [2020-10-14 05:54:19,593 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:54:21,338 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:54:22,104 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:54:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:54:36,873 INFO L93 Difference]: Finished difference Result 1605 states and 2631 transitions. [2020-10-14 05:54:36,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:54:36,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2020-10-14 05:54:36,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:54:36,882 INFO L225 Difference]: With dead ends: 1605 [2020-10-14 05:54:36,883 INFO L226 Difference]: Without dead ends: 973 [2020-10-14 05:54:36,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:54:36,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-10-14 05:54:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 696. [2020-10-14 05:54:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-14 05:54:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1088 transitions. [2020-10-14 05:54:37,105 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1088 transitions. Word has length 123 [2020-10-14 05:54:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:54:37,106 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 1088 transitions. [2020-10-14 05:54:37,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:54:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1088 transitions. [2020-10-14 05:54:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:54:37,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:54:37,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:54:37,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:54:37,113 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:54:37,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:54:37,114 INFO L82 PathProgramCache]: Analyzing trace with hash -309289887, now seen corresponding path program 1 times [2020-10-14 05:54:37,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:54:37,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752802020] [2020-10-14 05:54:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:54:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:37,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:37,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:38,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:42,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:54:42,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:42,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:42,979 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:54:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:42,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:54:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:54:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:54:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:54:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:43,273 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:54:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:54:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:43,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:43,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:44,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:44,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:44,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:44,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:48,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:54:48,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:54:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 05:54:48,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:48,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:54:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:48,438 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:54:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:48,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:49,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:54:49,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:54:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:49,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:49,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:54:49,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:54:49,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:49,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:54:49,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:49,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:49,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:49,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:49,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:54:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:49,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:54:49,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:54:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:54:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:54:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:54:50,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:54:50,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:54:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:54:50,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:50,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:54:50,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:54:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:54:50,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:54:50,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:54:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:54:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:54:50,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:50,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:50,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:54:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:54:50,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:50,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:50,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 05:54:50,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752802020] [2020-10-14 05:54:50,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:54:50,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:54:50,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564215358] [2020-10-14 05:54:50,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:54:50,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:54:50,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:54:50,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:54:50,276 INFO L87 Difference]: Start difference. First operand 696 states and 1088 transitions. Second operand 10 states. [2020-10-14 05:54:52,194 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 05:54:53,110 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2020-10-14 05:55:12,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:12,210 INFO L93 Difference]: Finished difference Result 1624 states and 2673 transitions. [2020-10-14 05:55:12,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:55:12,211 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-10-14 05:55:12,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:12,219 INFO L225 Difference]: With dead ends: 1624 [2020-10-14 05:55:12,219 INFO L226 Difference]: Without dead ends: 997 [2020-10-14 05:55:12,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:55:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2020-10-14 05:55:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 700. [2020-10-14 05:55:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-14 05:55:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1095 transitions. [2020-10-14 05:55:12,374 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1095 transitions. Word has length 123 [2020-10-14 05:55:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:12,375 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 1095 transitions. [2020-10-14 05:55:12,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:55:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1095 transitions. [2020-10-14 05:55:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 05:55:12,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:12,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:55:12,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:55:12,378 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:12,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:12,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1224761002, now seen corresponding path program 1 times [2020-10-14 05:55:12,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:12,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434297140] [2020-10-14 05:55:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:12,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:12,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:12,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:13,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,261 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:18,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:18,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:18,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:18,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:18,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:18,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:18,541 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:18,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:18,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:21,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:21,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:23,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 05:55:23,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:55:23,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:23,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:23,689 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:23,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:23,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 05:55:24,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:24,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:55:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:24,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:24,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:55:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:24,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:24,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:55:24,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:55:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:24,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:24,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:55:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:55:24,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:55:24,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:55:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:55:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:55:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:55:24,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:55:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:24,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:24,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:24,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:24,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:24,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:55:24,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434297140] [2020-10-14 05:55:24,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:55:24,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:55:24,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257427390] [2020-10-14 05:55:24,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:24,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:24,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:24,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:24,980 INFO L87 Difference]: Start difference. First operand 700 states and 1095 transitions. Second operand 9 states. [2020-10-14 05:55:26,894 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:55:28,698 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:55:29,530 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:55:43,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:43,800 INFO L93 Difference]: Finished difference Result 1617 states and 2662 transitions. [2020-10-14 05:55:43,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:55:43,801 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-14 05:55:43,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:43,809 INFO L225 Difference]: With dead ends: 1617 [2020-10-14 05:55:43,809 INFO L226 Difference]: Without dead ends: 981 [2020-10-14 05:55:43,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:55:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-10-14 05:55:43,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 700. [2020-10-14 05:55:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-14 05:55:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1090 transitions. [2020-10-14 05:55:43,985 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1090 transitions. Word has length 124 [2020-10-14 05:55:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:43,985 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 1090 transitions. [2020-10-14 05:55:43,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:55:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1090 transitions. [2020-10-14 05:55:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 05:55:43,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:43,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:55:43,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:55:43,988 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1660650301, now seen corresponding path program 1 times [2020-10-14 05:55:43,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:43,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85662255] [2020-10-14 05:55:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:44,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:44,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:44,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:47,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 05:55:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:55:49,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 05:55:49,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 05:55:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,849 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:49,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:49,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:49,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:49,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:50,116 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:50,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:50,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 05:55:55,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:55:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:55,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,297 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:55,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:55,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:55,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:55,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:55:55,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:55,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:55,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:55,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:55:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:55,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 05:55:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 05:55:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:56,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:55:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:55:56,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:55:56,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 05:55:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:55:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:56,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:56,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:56,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:55:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:55:56,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:56,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:56,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:56,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:56,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:56,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:56,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:56,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 05:55:56,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85662255] [2020-10-14 05:55:56,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:55:56,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:55:56,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296770784] [2020-10-14 05:55:56,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:56,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:56,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:56,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:56,217 INFO L87 Difference]: Start difference. First operand 700 states and 1090 transitions. Second operand 9 states. [2020-10-14 05:55:57,818 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:55:58,576 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 405