/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:39:16,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:39:16,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:39:16,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:39:16,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:39:16,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:39:16,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:39:16,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:39:16,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:39:16,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:39:16,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:39:16,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:39:16,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:39:16,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:39:16,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:39:16,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:39:16,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:39:16,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:39:16,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:39:16,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:39:16,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:39:16,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:39:16,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:39:16,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:39:16,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:39:16,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:39:16,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:39:16,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:39:16,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:39:16,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:39:16,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:39:16,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:39:16,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:39:16,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:39:16,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:39:16,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:39:16,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:39:16,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:39:16,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:39:16,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:39:16,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:39:16,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:39:16,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:39:16,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:39:16,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:39:16,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:39:16,249 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:39:16,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:39:16,250 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:39:16,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:39:16,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:39:16,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:39:16,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:39:16,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:39:16,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:39:16,253 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:39:16,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:39:16,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:39:16,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:39:16,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:39:16,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:39:16,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:39:16,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:39:16,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:39:16,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:39:16,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:39:16,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:39:16,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:39:16,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:39:16,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:39:16,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:39:16,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:39:16,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:39:16,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:39:16,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:39:16,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:39:16,582 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:39:16,583 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2020-10-13 11:39:16,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62a01086b/5357596644004b3a85d0e0cd30032842/FLAGa44bded1b [2020-10-13 11:39:17,300 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:39:17,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2020-10-13 11:39:17,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62a01086b/5357596644004b3a85d0e0cd30032842/FLAGa44bded1b [2020-10-13 11:39:17,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62a01086b/5357596644004b3a85d0e0cd30032842 [2020-10-13 11:39:17,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:39:17,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:39:17,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:17,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:39:17,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:39:17,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:17" (1/1) ... [2020-10-13 11:39:17,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a16f93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:17, skipping insertion in model container [2020-10-13 11:39:17,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:17" (1/1) ... [2020-10-13 11:39:17,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:39:17,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:39:18,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:18,371 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:39:18,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:18,612 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:39:18,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18 WrapperNode [2020-10-13 11:39:18,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:18,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:39:18,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:39:18,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:39:18,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... [2020-10-13 11:39:18,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:39:18,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:39:18,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:39:18,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:39:18,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:39:18,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:39:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:39:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:18,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:39:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:39:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:39:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:39:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:39:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:39:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:39:18,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:39:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:39:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:39:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:39:18,966 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:39:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:39:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:39:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:39:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:39:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:39:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:39:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:39:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:39:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:39:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:39:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:39:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:39:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:39:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:39:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:39:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:39:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:39:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:39:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:39:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:39:18,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:39:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:39:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:39:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:39:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:39:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:39:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:39:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:39:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:39:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:39:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:39:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:39:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:18,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:39:18,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:39:18,980 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:39:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:39:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:39:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:39:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:39:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:39:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:39:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:39:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:39:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:39:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:39:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:39:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:39:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:39:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:39:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:39:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:39:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:39:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:39:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:39:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:39:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:39:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:39:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:39:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:39:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:39:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:39:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:39:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:39:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:39:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:39:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:39:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:39:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:39:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:39:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:39:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:39:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:39:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:39:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:39:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:39:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:39:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:39:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:39:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:39:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:39:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:39:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:39:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:39:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:39:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:39:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:39:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:39:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:39:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:39:21,140 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:39:21,141 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:39:21,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:21 BoogieIcfgContainer [2020-10-13 11:39:21,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:39:21,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:39:21,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:39:21,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:39:21,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:39:17" (1/3) ... [2020-10-13 11:39:21,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d58e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:21, skipping insertion in model container [2020-10-13 11:39:21,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:18" (2/3) ... [2020-10-13 11:39:21,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d58e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:21, skipping insertion in model container [2020-10-13 11:39:21,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:21" (3/3) ... [2020-10-13 11:39:21,160 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2020-10-13 11:39:21,173 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:39:21,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:39:21,199 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:39:21,232 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:39:21,232 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:39:21,233 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:39:21,233 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:39:21,233 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:39:21,233 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:39:21,233 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:39:21,233 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:39:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2020-10-13 11:39:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 11:39:21,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:21,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:39:21,299 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:21,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1728086077, now seen corresponding path program 1 times [2020-10-13 11:39:21,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:21,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906194945] [2020-10-13 11:39:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:21,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:26,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:26,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-13 11:39:26,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:39:26,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-13 11:39:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:39:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:39:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:39:27,880 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:39:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:27,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:27,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:27,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 11:39:27,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:27,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:27,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:27,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:27,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:27,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:27,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:27,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:27,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:27,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:39:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:27,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:27,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:27,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:28,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:39:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:28,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:28,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:28,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:28,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:39:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:28,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:28,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:28,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:28,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:28,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:39:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:28,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:28,391 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:39:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:39:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:28,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:30,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:33,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 11:39:33,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:39:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:39:33,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:39:33,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:39:33,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:33,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:33,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:33,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:34,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:39:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:39:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-13 11:39:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:39:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:39:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:34,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:34,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:34,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:34,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:39:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:39:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:34,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:39:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:34,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:39:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:39:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:34,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:39:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:34,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:39:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:39:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:34,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:35,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 11:39:35,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:39:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1446 [2020-10-13 11:39:35,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:35,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 11:39:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:35,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:35,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:39:36,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:39:36,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-13 11:39:36,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:36,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:36,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:36,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:36,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:36,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:36,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:36,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:39:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:39:36,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:36,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:36,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:39:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:39:36,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:36,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:39:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:39:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:39:36,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:39:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:36,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:39:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:39:36,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906194945] [2020-10-13 11:39:36,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:39:36,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:39:36,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176843075] [2020-10-13 11:39:36,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:39:36,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:39:36,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:39:36,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:39:36,947 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 10 states. [2020-10-13 11:39:38,814 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:39:39,541 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:39:40,979 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:39:55,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:39:55,973 INFO L93 Difference]: Finished difference Result 1717 states and 3040 transitions. [2020-10-13 11:39:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:39:55,976 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-13 11:39:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:39:56,019 INFO L225 Difference]: With dead ends: 1717 [2020-10-13 11:39:56,019 INFO L226 Difference]: Without dead ends: 1117 [2020-10-13 11:39:56,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:39:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-13 11:39:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2020-10-13 11:39:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-13 11:39:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 945 transitions. [2020-10-13 11:39:56,316 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 945 transitions. Word has length 109 [2020-10-13 11:39:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:39:56,316 INFO L479 AbstractCegarLoop]: Abstraction has 589 states and 945 transitions. [2020-10-13 11:39:56,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:39:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 945 transitions. [2020-10-13 11:39:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 11:39:56,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:56,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:39:56,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:39:56,325 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:56,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:56,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1757589142, now seen corresponding path program 1 times [2020-10-13 11:39:56,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:56,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859770614] [2020-10-13 11:39:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:56,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:56,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:56,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:57,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:58,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:59,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:01,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:01,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 11:40:01,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:40:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:40:01,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:40:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,186 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:40:02,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:40:02,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:02,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:02,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:02,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:02,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:02,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:02,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:02,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:02,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:02,492 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:02,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:02,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:03,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:04,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:07,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 11:40:07,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:40:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:40:07,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:40:07,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:07,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:07,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:40:07,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-13 11:40:07,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:07,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:07,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:07,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:07,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:07,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:40:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:07,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:07,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:40:07,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:08,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:08,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:08,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:40:08,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-13 11:40:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 11:40:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:08,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:40:09,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-13 11:40:09,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:09,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:40:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:09,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:09,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:40:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:40:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:09,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:40:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:40:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:09,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:09,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:09,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:40:09,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859770614] [2020-10-13 11:40:09,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:09,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:40:09,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47177731] [2020-10-13 11:40:09,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:40:09,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:40:09,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:40:09,554 INFO L87 Difference]: Start difference. First operand 589 states and 945 transitions. Second operand 10 states. [2020-10-13 11:40:11,165 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:40:11,878 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:40:13,191 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:40:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:33,956 INFO L93 Difference]: Finished difference Result 1669 states and 2939 transitions. [2020-10-13 11:40:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:40:33,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-10-13 11:40:33,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:33,969 INFO L225 Difference]: With dead ends: 1669 [2020-10-13 11:40:33,969 INFO L226 Difference]: Without dead ends: 1117 [2020-10-13 11:40:33,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:40:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-13 11:40:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2020-10-13 11:40:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-13 11:40:34,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 944 transitions. [2020-10-13 11:40:34,159 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 944 transitions. Word has length 112 [2020-10-13 11:40:34,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:34,159 INFO L479 AbstractCegarLoop]: Abstraction has 589 states and 944 transitions. [2020-10-13 11:40:34,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:40:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 944 transitions. [2020-10-13 11:40:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 11:40:34,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:34,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:34,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:40:34,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:34,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1080658030, now seen corresponding path program 1 times [2020-10-13 11:40:34,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:34,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288691934] [2020-10-13 11:40:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:34,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:34,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:37,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:39,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 11:40:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,032 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:40:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:40,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:40,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:40,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:40,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:40,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:40,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:40,290 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:40:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:41,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:41,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:41,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:45,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:45,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:45,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:45,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:40:45,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:45,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:40:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:45,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:45,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:45,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:40:45,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:45,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:40:45,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:45,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:45,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:40:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:40:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:40:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:46,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:40:46,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 777 [2020-10-13 11:40:46,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 11:40:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:46,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:46,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:46,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:46,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:46,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:46,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:46,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:46,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:40:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:46,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:46,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:46,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:46,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:40:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:40:47,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:47,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:40:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:47,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:47,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:40:47,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:47,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:47,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:40:47,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288691934] [2020-10-13 11:40:47,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:47,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:40:47,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983685407] [2020-10-13 11:40:47,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:40:47,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:47,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:40:47,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:40:47,157 INFO L87 Difference]: Start difference. First operand 589 states and 944 transitions. Second operand 10 states. [2020-10-13 11:40:48,900 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:40:50,281 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:05,090 INFO L93 Difference]: Finished difference Result 1623 states and 2854 transitions. [2020-10-13 11:41:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:41:05,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 113 [2020-10-13 11:41:05,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:05,108 INFO L225 Difference]: With dead ends: 1623 [2020-10-13 11:41:05,108 INFO L226 Difference]: Without dead ends: 1117 [2020-10-13 11:41:05,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:41:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-13 11:41:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 589. [2020-10-13 11:41:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-13 11:41:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 939 transitions. [2020-10-13 11:41:05,298 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 939 transitions. Word has length 113 [2020-10-13 11:41:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:05,299 INFO L479 AbstractCegarLoop]: Abstraction has 589 states and 939 transitions. [2020-10-13 11:41:05,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:41:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 939 transitions. [2020-10-13 11:41:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-13 11:41:05,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:05,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:05,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:41:05,304 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:05,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:05,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1298211461, now seen corresponding path program 1 times [2020-10-13 11:41:05,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:05,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499206708] [2020-10-13 11:41:05,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:05,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:07,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:07,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-13 11:41:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,116 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:41:11,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:11,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:41:11,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:11,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:11,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:11,393 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:41:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:11,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:14,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:16,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:16,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:16,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:16,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:16,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:16,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:16,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:16,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:16,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:16,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:16,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:41:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:16,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:41:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:16,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:17,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:17,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:17,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:17,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:17,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 11:41:18,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:41:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-13 11:41:18,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:41:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:18,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:18,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:18,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:18,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:41:18,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:18,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 11:41:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:18,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:18,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:41:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:41:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:41:18,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:18,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:41:18,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:41:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:41:18,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:41:18,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:41:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:18,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:18,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:18,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:18,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:18,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:18,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:18,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:41:18,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499206708] [2020-10-13 11:41:18,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:18,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:41:18,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519256850] [2020-10-13 11:41:18,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:41:18,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:41:18,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:41:18,223 INFO L87 Difference]: Start difference. First operand 589 states and 939 transitions. Second operand 11 states. [2020-10-13 11:41:18,929 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:41:20,907 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:41:21,695 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:41:22,445 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:41:22,605 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:41:23,094 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:41:24,556 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:41:44,322 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 11:41:50,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:50,619 INFO L93 Difference]: Finished difference Result 1672 states and 3038 transitions. [2020-10-13 11:41:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 11:41:50,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-10-13 11:41:50,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:50,633 INFO L225 Difference]: With dead ends: 1672 [2020-10-13 11:41:50,633 INFO L226 Difference]: Without dead ends: 1176 [2020-10-13 11:41:50,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=201, Invalid=501, Unknown=0, NotChecked=0, Total=702 [2020-10-13 11:41:50,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-13 11:41:50,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 593. [2020-10-13 11:41:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-13 11:41:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 943 transitions. [2020-10-13 11:41:50,932 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 943 transitions. Word has length 114 [2020-10-13 11:41:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:50,933 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 943 transitions. [2020-10-13 11:41:50,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:41:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 943 transitions. [2020-10-13 11:41:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 11:41:50,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:50,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:50,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:41:50,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:50,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:50,938 INFO L82 PathProgramCache]: Analyzing trace with hash -2133544784, now seen corresponding path program 1 times [2020-10-13 11:41:50,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:50,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378678837] [2020-10-13 11:41:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:51,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:53,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:53,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,730 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:41:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:56,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:41:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:56,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:56,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:56,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:56,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:56,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:57,024 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:41:57,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:57,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:57,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:42:02,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 11:42:02,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:02,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:42:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:02,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:42:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:42:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 11:42:02,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 11:42:02,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:42:02,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:02,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:02,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:42:02,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:42:02,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:02,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:02,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:42:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:02,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:02,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:02,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 11:42:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:03,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:42:03,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:42:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:03,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:03,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:03,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:03,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:03,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:03,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:03,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:03,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:03,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378678837] [2020-10-13 11:42:03,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:03,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:42:03,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306104448] [2020-10-13 11:42:03,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:42:03,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:03,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:42:03,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:42:03,082 INFO L87 Difference]: Start difference. First operand 593 states and 943 transitions. Second operand 11 states. [2020-10-13 11:42:03,828 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-13 11:42:05,250 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:42:06,485 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:42:06,828 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:42:07,584 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:42:07,887 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:42:08,644 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:42:10,117 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:15,046 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:42:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:27,619 INFO L93 Difference]: Finished difference Result 1632 states and 2901 transitions. [2020-10-13 11:42:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:42:27,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-13 11:42:27,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:27,630 INFO L225 Difference]: With dead ends: 1632 [2020-10-13 11:42:27,630 INFO L226 Difference]: Without dead ends: 1132 [2020-10-13 11:42:27,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2020-10-13 11:42:27,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-10-13 11:42:27,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 597. [2020-10-13 11:42:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-13 11:42:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 948 transitions. [2020-10-13 11:42:27,808 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 948 transitions. Word has length 121 [2020-10-13 11:42:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:27,809 INFO L479 AbstractCegarLoop]: Abstraction has 597 states and 948 transitions. [2020-10-13 11:42:27,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:42:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 948 transitions. [2020-10-13 11:42:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:42:27,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:27,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:27,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:42:27,814 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:27,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:27,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1815805768, now seen corresponding path program 1 times [2020-10-13 11:42:27,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:27,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581350087] [2020-10-13 11:42:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:27,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:28,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:28,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:28,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:28,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:29,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:32,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:32,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 11:42:32,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,601 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:42:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:33,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:33,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:33,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:33,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:33,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:33,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:33,874 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:42:33,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:33,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:38,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 11:42:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:42:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:42:38,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 11:42:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:39,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:39,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:39,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:39,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:39,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:39,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:39,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:42:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:42:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:39,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:40,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:44,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 11:42:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:44,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:44,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:45,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:46,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:42:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:49,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:49,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:42:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 11:42:49,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 11:42:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:42:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 11:42:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:42:49,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:42:49,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:42:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:49,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:49,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:49,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581350087] [2020-10-13 11:42:49,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:49,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:49,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621995274] [2020-10-13 11:42:49,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:49,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:49,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:49,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:49,746 INFO L87 Difference]: Start difference. First operand 597 states and 948 transitions. Second operand 9 states. [2020-10-13 11:42:50,746 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-13 11:42:51,016 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-13 11:42:51,775 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-13 11:42:53,267 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-13 11:42:53,560 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:57,084 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127