/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:23:31,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:23:31,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:23:31,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:23:31,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:23:31,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:23:31,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:23:31,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:23:31,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:23:31,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:23:31,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:23:31,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:23:31,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:23:31,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:23:31,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:23:31,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:23:31,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:23:31,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:23:31,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:23:31,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:23:31,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:23:31,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:23:31,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:23:31,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:23:31,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:23:31,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:23:31,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:23:31,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:23:31,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:23:31,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:23:31,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:23:31,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:23:31,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:23:31,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:23:31,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:23:31,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:23:31,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:23:31,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:23:31,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:23:31,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:23:31,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:23:31,174 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 [2020-10-29 10:23:31,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:23:31,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:23:31,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:23:31,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:23:31,202 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:23:31,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:23:31,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:23:31,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:23:31,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:23:31,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:23:31,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:23:31,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:23:31,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:23:31,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:23:31,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:23:31,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:23:31,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:23:31,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:23:31,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:23:31,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:23:31,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:23:31,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:23:31,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:23:31,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:23:31,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:23:31,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:23:31,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:23:31,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:23:31,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:23:31,597 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:23:31,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-29 10:23:31,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94f9b0b19/01c67f5abc404baab3e47ec34f64190f/FLAG3053e80a5 [2020-10-29 10:23:32,562 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:23:32,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product09.cil.c [2020-10-29 10:23:32,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94f9b0b19/01c67f5abc404baab3e47ec34f64190f/FLAG3053e80a5 [2020-10-29 10:23:32,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/94f9b0b19/01c67f5abc404baab3e47ec34f64190f [2020-10-29 10:23:32,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:23:32,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:23:32,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:23:32,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:23:32,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:23:32,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:23:32" (1/1) ... [2020-10-29 10:23:32,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab18cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:32, skipping insertion in model container [2020-10-29 10:23:32,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:23:32" (1/1) ... [2020-10-29 10:23:32,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:23:32,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:23:33,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:23:33,462 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:23:33,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:23:33,727 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:23:33,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33 WrapperNode [2020-10-29 10:23:33,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:23:33,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:23:33,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:23:33,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:23:33,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (1/1) ... [2020-10-29 10:23:33,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:23:33,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:23:33,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:23:33,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:23:33,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (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 [2020-10-29 10:23:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:23:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:23:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:23:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:23:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:23:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:23:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:23:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:23:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:23:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:23:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:23:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:23:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:23:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:23:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:23:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:23:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:23:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:23:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:23:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:23:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:23:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:23:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:23:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:23:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:23:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:23:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:23:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:23:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:23:37,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:23:37,323 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:23:37,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:23:37 BoogieIcfgContainer [2020-10-29 10:23:37,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:23:37,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:23:37,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:23:37,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:23:37,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:23:32" (1/3) ... [2020-10-29 10:23:37,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30755cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:23:37, skipping insertion in model container [2020-10-29 10:23:37,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:23:33" (2/3) ... [2020-10-29 10:23:37,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30755cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:23:37, skipping insertion in model container [2020-10-29 10:23:37,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:23:37" (3/3) ... [2020-10-29 10:23:37,365 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product09.cil.c [2020-10-29 10:23:37,377 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:23:37,383 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:23:37,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:23:37,432 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:23:37,432 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:23:37,432 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:23:37,433 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:23:37,433 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:23:37,433 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:23:37,433 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:23:37,433 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:23:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states. [2020-10-29 10:23:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 10:23:37,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:23:37,497 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:23:37,497 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:23:37,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:23:37,504 INFO L82 PathProgramCache]: Analyzing trace with hash 308142994, now seen corresponding path program 1 times [2020-10-29 10:23:37,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:23:37,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741851127] [2020-10-29 10:23:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:23:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:38,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:38,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:38,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:42,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:42,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:42,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-29 10:23:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:23:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 10:23:42,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:42,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 10:23:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:23:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 10:23:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:23:45,102 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-29 10:23:45,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:23:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:45,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:23:45,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:23:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:23:45,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:23:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:23:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:23:45,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:23:45,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:23:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:23:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:23:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:23:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 10:23:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:23:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:23:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:23:45,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:23:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 10:23:45,833 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:23:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:23:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:45,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:45,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:45,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:23:45,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:45,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 10:23:45,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:45,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:23:45,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,134 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:23:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:23:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:46,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:23:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:23:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:23:46,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:23:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-29 10:23:46,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:23:46,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:23:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:23:46,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:23:46,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:23:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:23:46,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:23:46,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:23:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:23:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:23:46,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:23:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:23:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:23:46,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:23:46,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:23:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:23:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:46,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:23:46,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:23:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:46,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:23:46,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:23:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:23:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:23:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:23:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:23:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:23:46,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:23:46,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:23:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:46,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 10:23:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:46,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:46,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:46,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:23:46,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:23:46,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:46,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:23:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:47,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 10:23:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:47,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:47,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:23:47,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:23:47,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:47,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:23:47,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:47,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 10:23:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:23:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:23:47,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:23:47,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:23:47,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:23:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:23:47,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:23:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:23:47,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741851127] [2020-10-29 10:23:47,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:23:47,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 10:23:47,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345545683] [2020-10-29 10:23:47,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 10:23:47,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:23:47,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 10:23:47,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-29 10:23:47,118 INFO L87 Difference]: Start difference. First operand 761 states. Second operand 9 states. [2020-10-29 10:23:49,850 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-29 10:23:50,530 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:23:52,393 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:23:54,430 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:23:55,177 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 10:23:57,388 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:24:21,905 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:24:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:24:34,679 INFO L93 Difference]: Finished difference Result 1770 states and 3108 transitions. [2020-10-29 10:24:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 10:24:34,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-29 10:24:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:24:34,722 INFO L225 Difference]: With dead ends: 1770 [2020-10-29 10:24:34,723 INFO L226 Difference]: Without dead ends: 1150 [2020-10-29 10:24:34,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2020-10-29 10:24:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2020-10-29 10:24:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 809. [2020-10-29 10:24:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2020-10-29 10:24:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1298 transitions. [2020-10-29 10:24:35,159 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1298 transitions. Word has length 116 [2020-10-29 10:24:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:24:35,161 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1298 transitions. [2020-10-29 10:24:35,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 10:24:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1298 transitions. [2020-10-29 10:24:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-29 10:24:35,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:24:35,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:24:35,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:24:35,180 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:24:35,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:24:35,181 INFO L82 PathProgramCache]: Analyzing trace with hash 817616084, now seen corresponding path program 1 times [2020-10-29 10:24:35,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:24:35,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777135439] [2020-10-29 10:24:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:24:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:35,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:35,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:36,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:37,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:38,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:40,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:40,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-29 10:24:40,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 10:24:40,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 10:24:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:42,416 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-29 10:24:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:24:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:42,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 10:24:42,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:42,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:24:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:42,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:42,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:42,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:24:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:42,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:42,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:24:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:42,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:42,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:24:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:42,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:42,929 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:24:42,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:24:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:24:42,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 10:24:42,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:42,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:24:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,253 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:24:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:43,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 10:24:43,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:24:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:24:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:24:43,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:24:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-29 10:24:43,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:24:43,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:43,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:24:43,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:43,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:43,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:24:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:24:43,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:24:43,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:43,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:24:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:24:43,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:24:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:43,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:24:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:24:43,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:24:43,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:24:43,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:43,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:43,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:43,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:24:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:43,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:43,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:43,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:43,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:43,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:43,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:24:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:44,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:24:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:24:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 10:24:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:44,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:24:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:44,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:24:44,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:44,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:44,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:44,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:44,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 10:24:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:44,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:24:44,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:44,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:24:44,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:44,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:44,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:44,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:24:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:24:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 10:24:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:24:44,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:24:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:44,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:24:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:44,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 10:24:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:44,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:44,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:44,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:44,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:44,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:44,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:24:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:44,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:24:44,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777135439] [2020-10-29 10:24:44,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:24:44,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 10:24:44,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115081805] [2020-10-29 10:24:44,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 10:24:44,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:24:44,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 10:24:44,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 10:24:44,229 INFO L87 Difference]: Start difference. First operand 809 states and 1298 transitions. Second operand 11 states. [2020-10-29 10:24:47,394 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-29 10:24:48,145 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:24:50,372 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-29 10:24:52,860 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 10:24:55,518 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 10:24:56,972 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-29 10:24:57,836 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:24:58,151 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-29 10:25:00,514 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 391 [2020-10-29 10:25:01,270 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 10:25:03,593 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:25:06,148 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 10:25:07,318 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:25:08,823 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:25:15,471 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 10:25:15,971 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:25:16,461 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:25:18,670 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:26:48,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:26:48,038 INFO L93 Difference]: Finished difference Result 4091 states and 7203 transitions. [2020-10-29 10:26:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-29 10:26:48,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 116 [2020-10-29 10:26:48,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:26:48,088 INFO L225 Difference]: With dead ends: 4091 [2020-10-29 10:26:48,088 INFO L226 Difference]: Without dead ends: 3317 [2020-10-29 10:26:48,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=422, Invalid=1384, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 10:26:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2020-10-29 10:26:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2330. [2020-10-29 10:26:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2330 states. [2020-10-29 10:26:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3770 transitions. [2020-10-29 10:26:48,668 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3770 transitions. Word has length 116 [2020-10-29 10:26:48,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:26:48,669 INFO L481 AbstractCegarLoop]: Abstraction has 2330 states and 3770 transitions. [2020-10-29 10:26:48,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 10:26:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3770 transitions. [2020-10-29 10:26:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 10:26:48,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:26:48,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:26:48,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:26:48,673 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 10:26:48,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:26:48,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1485837746, now seen corresponding path program 1 times [2020-10-29 10:26:48,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:26:48,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974752310] [2020-10-29 10:26:48,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:26:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:50,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:50,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:53,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 10:26:53,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 10:26:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5086 [2020-10-29 10:26:53,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:53,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 10:26:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-29 10:26:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 10:26:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:56,117 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-29 10:26:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:26:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-29 10:26:56,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:26:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:56,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:26:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:26:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:26:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,686 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:26:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:26:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:26:56,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 10:26:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,954 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:26:56,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:56,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:56,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:26:56,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:56,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:26:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:26:57,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:26:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-29 10:26:57,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:26:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:26:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 10:26:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:57,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 10:26:57,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:26:57,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:57,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:26:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:26:57,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:26:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 10:26:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:26:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:26:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:26:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:26:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:26:57,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:26:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:26:57,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:26:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 10:26:57,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:26:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 10:26:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:57,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:26:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:26:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:26:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 10:26:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:57,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:26:57,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:26:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:26:57,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:26:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 10:26:57,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:26:57,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:57,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:57,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 10:26:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 10:26:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:26:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 10:26:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 10:26:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:26:58,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:26:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:26:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 10:26:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:26:58,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:26:58,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:26:58,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 10:26:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 10:26:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:58,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 10:26:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:26:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:26:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 10:26:58,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974752310] [2020-10-29 10:26:58,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:26:58,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-29 10:26:58,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300925036] [2020-10-29 10:26:58,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 10:26:58,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:26:58,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 10:26:58,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-29 10:26:58,583 INFO L87 Difference]: Start difference. First operand 2330 states and 3770 transitions. Second operand 23 states. [2020-10-29 10:27:03,671 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 390 [2020-10-29 10:27:04,661 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 10:27:06,926 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 393 [2020-10-29 10:27:09,505 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-29 10:27:11,825 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-29 10:27:14,064 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-29 10:27:16,295 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 396 [2020-10-29 10:27:18,527 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 398 [2020-10-29 10:27:21,498 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:27:23,660 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 395 [2020-10-29 10:27:24,186 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-29 10:27:24,651 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-29 10:27:28,477 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-29 10:27:29,962 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 10:27:31,205 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 112