/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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:24:43,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:24:43,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:24:44,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:24:44,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:24:44,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:24:44,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:24:44,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:24:44,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:24:44,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:24:44,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:24:44,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:24:44,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:24:44,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:24:44,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:24:44,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:24:44,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:24:44,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:24:44,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:24:44,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:24:44,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:24:44,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:24:44,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:24:44,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:24:44,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:24:44,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:24:44,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:24:44,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:24:44,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:24:44,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:24:44,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:24:44,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:24:44,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:24:44,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:24:44,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:24:44,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:24:44,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:24:44,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:24:44,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:24:44,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:24:44,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:24:44,129 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 10:24:44,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:24:44,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:24:44,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:24:44,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:24:44,190 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:24:44,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:24:44,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:24:44,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:24:44,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:24:44,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:24:44,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:24:44,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:24:44,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:24:44,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:24:44,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:24:44,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:24:44,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:24:44,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:24:44,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:24:44,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:24:44,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:24:44,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:24:44,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:24:44,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:24:44,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:24:44,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:24:44,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:24:44,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:24:44,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:24:44,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:24:44,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:24:44,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:24:44,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:24:44,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:24:44,697 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:24:44,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-29 10:24:44,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef38c977c/f005950da87c4479860787da9ae81414/FLAG9aa47ba82 [2020-10-29 10:24:45,586 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:24:45,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-29 10:24:45,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef38c977c/f005950da87c4479860787da9ae81414/FLAG9aa47ba82 [2020-10-29 10:24:45,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef38c977c/f005950da87c4479860787da9ae81414 [2020-10-29 10:24:45,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:24:45,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:24:45,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:24:45,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:24:45,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:24:45,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:24:45" (1/1) ... [2020-10-29 10:24:45,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d218d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:45, skipping insertion in model container [2020-10-29 10:24:45,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:24:45" (1/1) ... [2020-10-29 10:24:45,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:24:45,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:24:46,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:24:46,602 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:24:46,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:24:46,803 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:24:46,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46 WrapperNode [2020-10-29 10:24:46,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:24:46,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:24:46,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:24:46,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:24:46,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (1/1) ... [2020-10-29 10:24:46,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:24:47,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:24:47,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:24:47,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:24:47,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (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 10:24:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:24:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:24:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:24:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:24:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:24:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:24:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:24:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:24:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:24:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:24:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:24:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:24:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:24:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:24:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:24:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:24:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:24:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:24:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:24:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:24:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:24:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:24:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:24:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-29 10:24:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:24:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:24:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:24:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:24:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:24:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:24:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:24:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:24:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:24:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:24:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:24:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:24:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:24:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:24:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:24:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:24:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:24:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:24:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:24:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:24:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:24:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:24:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:24:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:24:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:24:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:24:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:24:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:24:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:24:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:24:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:24:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:24:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:24:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:24:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:24:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:24:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:24:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:24:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:24:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:24:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:24:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:24:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:24:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:24:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:24:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:24:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:24:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:24:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:24:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:24:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:24:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:24:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:24:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:24:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:24:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:24:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:24:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:24:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:24:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:24:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:24:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:24:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:24:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:24:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:24:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:24:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:24:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:24:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:24:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:24:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:24:49,627 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:24:49,628 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:24:49,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:24:49 BoogieIcfgContainer [2020-10-29 10:24:49,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:24:49,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:24:49,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:24:49,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:24:49,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:24:45" (1/3) ... [2020-10-29 10:24:49,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af7c6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:24:49, skipping insertion in model container [2020-10-29 10:24:49,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:24:46" (2/3) ... [2020-10-29 10:24:49,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af7c6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:24:49, skipping insertion in model container [2020-10-29 10:24:49,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:24:49" (3/3) ... [2020-10-29 10:24:49,640 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product18.cil.c [2020-10-29 10:24:49,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:24:49,658 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:24:49,671 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:24:49,703 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:24:49,704 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:24:49,704 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:24:49,704 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:24:49,704 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:24:49,704 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:24:49,704 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:24:49,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:24:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states. [2020-10-29 10:24:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 10:24:49,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:24:49,803 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] [2020-10-29 10:24:49,803 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 10:24:49,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:24:49,815 INFO L82 PathProgramCache]: Analyzing trace with hash 178434987, now seen corresponding path program 1 times [2020-10-29 10:24:49,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:24:49,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590900641] [2020-10-29 10:24:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:24:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:51,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:54,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:55,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 10:24:55,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:24:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 10:24:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:55,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 10:24:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:24:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 10:24:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:24:56,899 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:24:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:24:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:56,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-29 10:24:57,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:24:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:24:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:57,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:24:57,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:24:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:57,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:24:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:57,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:24:57,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:24:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:57,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:24:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:57,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:24:57,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:24:57,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:24:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:24:57,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:24:57,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:24:57,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:57,505 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:24:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:24:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:24:57,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 10:24:57,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:24:57,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:57,744 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:24:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:57,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:57,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:57,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:24:57,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:57,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:57,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:24:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:24:58,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:24:58,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-29 10:24:58,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:24:58,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:24:58,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:24:58,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:24:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:24:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 10:24:58,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:24:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:24:58,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:24:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:24:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:24:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:58,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:24:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:58,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:58,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:58,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:24:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:58,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:58,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:24:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:24:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:58,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:24:58,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:24:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:24:58,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:24:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 10:24:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:24:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:24:58,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:24:58,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:24:58,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:24:58,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:24:58,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:24:58,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:24:58,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:24:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:24:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:24:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:24:58,473 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 10:24:58,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590900641] [2020-10-29 10:24:58,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:24:58,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 10:24:58,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303381578] [2020-10-29 10:24:58,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 10:24:58,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:24:58,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 10:24:58,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 10:24:58,504 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 8 states. [2020-10-29 10:25:00,420 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:25:01,019 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:25:02,278 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:25:03,165 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-29 10:25:04,887 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:25:05,342 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:25:09,953 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:25:36,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:25:36,010 INFO L93 Difference]: Finished difference Result 2283 states and 4036 transitions. [2020-10-29 10:25:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 10:25:36,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-29 10:25:36,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:25:36,059 INFO L225 Difference]: With dead ends: 2283 [2020-10-29 10:25:36,059 INFO L226 Difference]: Without dead ends: 1652 [2020-10-29 10:25:36,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2020-10-29 10:25:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2020-10-29 10:25:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1138. [2020-10-29 10:25:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-10-29 10:25:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1856 transitions. [2020-10-29 10:25:36,615 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1856 transitions. Word has length 94 [2020-10-29 10:25:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:25:36,618 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1856 transitions. [2020-10-29 10:25:36,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 10:25:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1856 transitions. [2020-10-29 10:25:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 10:25:36,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:25:36,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:25:36,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:25:36,630 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 10:25:36,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:25:36,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1382684583, now seen corresponding path program 1 times [2020-10-29 10:25:36,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:25:36,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363690608] [2020-10-29 10:25:36,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:25:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:36,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:37,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:39,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:40,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:41,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 10:25:41,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:25:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-29 10:25:41,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:41,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:25:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 10:25:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-29 10:25:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,035 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:25:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:25:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:43,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 10:25:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:25:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:25:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:25:43,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:43,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:25:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:25:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:25:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:25:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:43,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:43,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:25:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,348 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:25:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:25:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:25:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:25:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:25:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:43,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:25:43,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:25:43,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:25:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:25:43,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:25:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:25:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:25:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:25:43,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:25:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:25:43,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:25:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:43,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:43,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:43,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:25:43,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:43,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:43,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:43,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:43,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 10:25:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:25:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:44,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:25:44,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:25:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:25:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:25:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:44,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:44,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:25:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:25:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:44,337 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:25:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 10:25:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 10:25:45,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:25:45,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1069 [2020-10-29 10:25:45,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:25:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:25:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:25:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:25:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:25:45,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:45,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:25:45,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:25:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:45,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:25:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:25:45,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:45,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:25:45,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:25:45,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:45,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:25:45,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:25:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:45,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:25:45,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:25:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 10:25:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 10:25:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:25:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:25:45,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:25:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:25:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:25:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:25:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:25:45,655 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 10:25:45,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363690608] [2020-10-29 10:25:45,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:25:45,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 10:25:45,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485461170] [2020-10-29 10:25:45,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 10:25:45,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:25:45,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 10:25:45,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-29 10:25:45,659 INFO L87 Difference]: Start difference. First operand 1138 states and 1856 transitions. Second operand 13 states. [2020-10-29 10:25:49,062 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 407 DAG size of output: 405 [2020-10-29 10:25:49,501 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:25:50,644 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:25:52,436 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-29 10:25:53,693 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-29 10:25:54,791 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 10:25:55,372 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 10:25:56,107 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:25:59,388 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:26:00,142 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-10-29 10:26:00,847 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-29 10:26:01,401 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:26:01,693 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:26:02,147 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:26:02,972 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:26:29,415 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 10:26:32,411 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:26:33,418 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 10:26:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:26:50,436 INFO L93 Difference]: Finished difference Result 4381 states and 7773 transitions. [2020-10-29 10:26:50,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 10:26:50,439 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2020-10-29 10:26:50,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:26:50,472 INFO L225 Difference]: With dead ends: 4381 [2020-10-29 10:26:50,473 INFO L226 Difference]: Without dead ends: 3278 [2020-10-29 10:26:50,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=377, Invalid=1263, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 10:26:50,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2020-10-29 10:26:51,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 2328. [2020-10-29 10:26:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2328 states. [2020-10-29 10:26:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 3767 transitions. [2020-10-29 10:26:51,138 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 3767 transitions. Word has length 126 [2020-10-29 10:26:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:26:51,139 INFO L481 AbstractCegarLoop]: Abstraction has 2328 states and 3767 transitions. [2020-10-29 10:26:51,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 10:26:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 3767 transitions. [2020-10-29 10:26:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-29 10:26:51,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:26:51,143 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:26:51,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 10:26:51,144 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 10:26:51,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:26:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1325973037, now seen corresponding path program 1 times [2020-10-29 10:26:51,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:26:51,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872265903] [2020-10-29 10:26:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:26:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:51,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:51,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:53,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:55,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 10:26:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [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: 10 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 10:26:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,607 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:26:57,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:26:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:57,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:26:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:57,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:26:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:26:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:57,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:57,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:26:57,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:57,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:57,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:57,965 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-29 10:26:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:26:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 10:26:58,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:26:58,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,208 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 10:26:58,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 10:26:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 10:26:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:58,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:26:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:26:58,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:26:58,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:26:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:26:58,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 10:26:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 10:26:58,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 10:26:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:26:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:58,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:26:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:26:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:26:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 10:26:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:58,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:58,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:26:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:26:58,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:26:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:26:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:26:58,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:26:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:26:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:26:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:26:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:26:59,032 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:26:59,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 10:26:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:26:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:26:59,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 10:27:04,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:27:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 10:27:04,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:27:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:04,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:27:04,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:27:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:27:04,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:04,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:27:04,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:27:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:27:04,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:27:04,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 10:27:04,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:27:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 10:27:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 10:27:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:27:04,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 10:27:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:27:04,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:27:04,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:27:04,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 10:27:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:27:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:27:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:27:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 10:27:04,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:27:04,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:27:04,386 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 10:27:04,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872265903] [2020-10-29 10:27:04,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:27:04,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 10:27:04,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001581551] [2020-10-29 10:27:04,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 10:27:04,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:27:04,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 10:27:04,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-29 10:27:04,390 INFO L87 Difference]: Start difference. First operand 2328 states and 3767 transitions. Second operand 15 states. [2020-10-29 10:27:07,456 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:27:07,972 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:27:10,244 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 408 DAG size of output: 405 [2020-10-29 10:27:12,379 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-29 10:27:15,531 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 411 DAG size of output: 408 [2020-10-29 10:27:17,873 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 412 DAG size of output: 410 [2020-10-29 10:27:18,568 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2020-10-29 10:27:21,385 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 410 DAG size of output: 408 [2020-10-29 10:27:22,195 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-10-29 10:27:22,931 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-10-29 10:27:23,659 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-29 10:27:24,540 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-29 10:27:28,105 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:27:29,292 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:27:29,842 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:27:30,186 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-29 10:27:31,816 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:27:33,543 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:27:34,965 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:27:35,212 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:27:36,734 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:27:37,030 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-29 10:27:37,392 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-29 10:27:37,883 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 10:27:38,371 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:27:40,059 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:27:40,754 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 10:27:42,110 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:27:42,563 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 10:28:10,519 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:28:18,780 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-29 10:28:20,466 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:28:29,424 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114