/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:00:48,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:00:48,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:00:48,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:00:48,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:00:48,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:00:48,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:00:48,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:00:48,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:00:48,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:00:48,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:00:48,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:00:48,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:00:48,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:00:48,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:00:48,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:00:48,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:00:48,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:00:48,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:00:48,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:00:48,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:00:48,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:00:48,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:00:48,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:00:48,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:00:48,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:00:48,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:00:48,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:00:48,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:00:48,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:00:48,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:00:48,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:00:48,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:00:48,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:00:48,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:00:48,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:00:48,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:00:48,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:00:48,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:00:48,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:00:48,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:00:48,774 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 [2020-09-25 11:00:48,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:00:48,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:00:48,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:00:48,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:00:48,827 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:00:48,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:00:48,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:00:48,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:00:48,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:00:48,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:00:48,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:00:48,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:00:48,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:00:48,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:00:48,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:00:48,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:00:48,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:00:48,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:00:48,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:00:48,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:00:48,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:00:48,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:00:48,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:00:48,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:00:48,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:00:48,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:00:48,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:00:48,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:00:48,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:00:48,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=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=0.2;log-additional-information=true; [2020-09-25 11:00:49,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:00:49,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:00:49,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:00:49,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:00:49,322 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:00:49,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 11:00:49,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55c56474e/68e84d3eef4946dd933ae8c6545c7b76/FLAG14384b2a3 [2020-09-25 11:00:50,064 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:00:50,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 11:00:50,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55c56474e/68e84d3eef4946dd933ae8c6545c7b76/FLAG14384b2a3 [2020-09-25 11:00:50,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55c56474e/68e84d3eef4946dd933ae8c6545c7b76 [2020-09-25 11:00:50,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:00:50,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:00:50,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:00:50,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:00:50,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:00:50,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:50" (1/1) ... [2020-09-25 11:00:50,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:50, skipping insertion in model container [2020-09-25 11:00:50,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:00:50" (1/1) ... [2020-09-25 11:00:50,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:00:50,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:00:50,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:00:51,000 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:00:51,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:00:51,117 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:00:51,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51 WrapperNode [2020-09-25 11:00:51,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:00:51,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:00:51,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:00:51,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:00:51,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (1/1) ... [2020-09-25 11:00:51,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:00:51,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:00:51,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:00:51,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:00:51,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (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 [2020-09-25 11:00:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:00:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:00:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:00:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:00:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:00:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:00:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:00:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:00:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:00:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:00:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:00:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:00:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:00:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:00:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:00:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:00:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:00:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 11:00:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:00:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 11:00:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:00:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:00:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:00:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:00:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:00:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:00:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:00:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:00:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:00:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 11:00:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:00:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:00:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:00:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:00:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 11:00:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:00:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:00:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:00:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:00:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:00:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:00:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:00:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:00:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:00:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:00:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:00:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:00:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:00:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:00:52,518 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:00:52,518 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:00:52,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:52 BoogieIcfgContainer [2020-09-25 11:00:52,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:00:52,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:00:52,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:00:52,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:00:52,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:00:50" (1/3) ... [2020-09-25 11:00:52,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a93ce27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:52, skipping insertion in model container [2020-09-25 11:00:52,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:00:51" (2/3) ... [2020-09-25 11:00:52,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a93ce27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:00:52, skipping insertion in model container [2020-09-25 11:00:52,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:00:52" (3/3) ... [2020-09-25 11:00:52,535 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-09-25 11:00:52,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:00:52,558 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:00:52,581 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:00:52,615 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:00:52,615 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:00:52,615 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:00:52,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:00:52,616 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:00:52,616 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:00:52,616 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:00:52,616 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:00:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 11:00:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:00:52,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:00:52,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:00:52,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:00:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:00:52,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1052921660, now seen corresponding path program 1 times [2020-09-25 11:00:52,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:00:52,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273322181] [2020-09-25 11:00:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:00:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:53,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:53,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:56,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:58,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:58,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:00:58,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:00:58,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 11:00:58,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:58,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:00:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:00:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 11:00:58,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 11:00:58,801 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:00:58,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:00:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:00:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-09-25 11:00:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:00:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:00:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:59,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:00:59,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:59,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:00:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:59,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:00:59,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:00:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:59,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:00:59,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:00:59,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:00:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:00:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:00:59,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:00:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:00:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:00:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:00:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:59,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:00:59,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:00:59,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:00:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:00:59,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:00:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:00:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:00:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:00:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:00:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:00:59,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:00:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:00:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:00:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:00:59,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:00:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:00:59,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273322181] [2020-09-25 11:00:59,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:00:59,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:00:59,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765518056] [2020-09-25 11:00:59,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:00:59,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:00:59,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:00:59,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:00:59,608 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 4 states. [2020-09-25 11:01:00,236 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:01:01,749 INFO L93 Difference]: Finished difference Result 570 states and 675 transitions. [2020-09-25 11:01:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 11:01:01,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 11:01:01,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:01:01,775 INFO L225 Difference]: With dead ends: 570 [2020-09-25 11:01:01,775 INFO L226 Difference]: Without dead ends: 345 [2020-09-25 11:01:01,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:01:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-25 11:01:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-25 11:01:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 11:01:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-09-25 11:01:01,923 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 142 [2020-09-25 11:01:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:01:01,924 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-09-25 11:01:01,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:01:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-09-25 11:01:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 11:01:01,930 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:01:01,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:01:01,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:01:01,931 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:01:01,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:01:01,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1152669890, now seen corresponding path program 1 times [2020-09-25 11:01:01,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:01:01,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430898749] [2020-09-25 11:01:01,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:01:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:02,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:06,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 11:01:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:01:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 11:01:07,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 11:01:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:01:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 11:01:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:01:07,545 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:01:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:01:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:01:07,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:07,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-25 11:01:07,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:01:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:07,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:01:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:07,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:07,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:07,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:01:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:07,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:07,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:07,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:07,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:07,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:01:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:07,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:07,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:01:07,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:07,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:01:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:07,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:07,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 11:01:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:08,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:08,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:01:08,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:08,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:01:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 11:01:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 11:01:08,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:01:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 11:01:08,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:08,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 11:01:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:01:08,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:01:08,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:01:08,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 11:01:08,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:01:08,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:01:08,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:01:08,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:01:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:01:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:01:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:08,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:08,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 11:01:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:08,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:08,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:01:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 11:01:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:08,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:08,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:08,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:08,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:08,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:01:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:01:08,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430898749] [2020-09-25 11:01:08,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:01:08,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 11:01:08,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327429236] [2020-09-25 11:01:08,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 11:01:08,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:01:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 11:01:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-25 11:01:08,293 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 14 states. [2020-09-25 11:01:08,913 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:10,608 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:11,050 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:01:11,464 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:01:11,874 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:01:12,238 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:01:12,821 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:13,244 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:13,621 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:13,967 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:14,348 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:01:14,738 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:15,183 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:01:15,607 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:01:16,350 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:16,802 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:17,200 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:17,716 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:01:18,761 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:01:19,143 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:01:19,637 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:20,748 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:21,121 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:21,531 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:24,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:01:24,197 INFO L93 Difference]: Finished difference Result 1063 states and 1367 transitions. [2020-09-25 11:01:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-09-25 11:01:24,198 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2020-09-25 11:01:24,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:01:24,219 INFO L225 Difference]: With dead ends: 1063 [2020-09-25 11:01:24,219 INFO L226 Difference]: Without dead ends: 874 [2020-09-25 11:01:24,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=573, Invalid=2289, Unknown=0, NotChecked=0, Total=2862 [2020-09-25 11:01:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-09-25 11:01:24,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 664. [2020-09-25 11:01:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-09-25 11:01:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 774 transitions. [2020-09-25 11:01:24,397 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 774 transitions. Word has length 174 [2020-09-25 11:01:24,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:01:24,398 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 774 transitions. [2020-09-25 11:01:24,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 11:01:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 774 transitions. [2020-09-25 11:01:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-09-25 11:01:24,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:01:24,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:01:24,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:01:24,406 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:01:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:01:24,407 INFO L82 PathProgramCache]: Analyzing trace with hash -474534784, now seen corresponding path program 1 times [2020-09-25 11:01:24,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:01:24,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118082567] [2020-09-25 11:01:24,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:01:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:24,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:24,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:29,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:29,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 11:01:29,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:01:29,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 11:01:29,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:29,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 11:01:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:01:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-09-25 11:01:29,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:01:29,824 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:01:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:01:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:01:30,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 11:01:30,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:01:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:30,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:01:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:30,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:01:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:30,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:30,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:30,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:30,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:01:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:30,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:30,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:01:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:30,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:01:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:01:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:30,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:01:30,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:30,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 11:01:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:30,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:01:30,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:30,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:01:30,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:30,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 11:01:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:31,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-25 11:01:31,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:01:31,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1267 [2020-09-25 11:01:31,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:31,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:31,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-25 11:01:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:31,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:31,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:01:31,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:01:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 11:01:31,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:31,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:01:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:01:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:01:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:31,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:31,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:31,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:01:31,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 11:01:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:31,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:01:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:01:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:01:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:31,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:31,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:31,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:01:31,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 11:01:31,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:31,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:01:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:01:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:01:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:31,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:31,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:01:31,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:01:31,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:31,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:01:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:01:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:01:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:01:32,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:01:32,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:01:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:01:32,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:01:32,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:01:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:01:32,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:01:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:01:32,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:32,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:01:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:32,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:32,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:01:32,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:01:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:32,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:01:32,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:01:32,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 11:01:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:01:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:01:32,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:32,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 11:01:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:32,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:01:32,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:01:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 11:01:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:01:32,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:32,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:01:32,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 11:01:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 11:01:32,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 11:01:32,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:01:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 11:01:32,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:01:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:01:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:01:32,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:01:32,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 11:01:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:01:32,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:01:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:32,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:01:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:01:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:01:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-25 11:01:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:01:32,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:01:32,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:01:32,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:01:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:01:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-25 11:01:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:32,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:01:32,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:01:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:01:32,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 11:01:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:01:32,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:01:32,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:01:32,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:01:32,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:01:32,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:01:32,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:01:32,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:01:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:01:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:01:32,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:01:32,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:01:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-25 11:01:32,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118082567] [2020-09-25 11:01:32,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:01:32,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-25 11:01:32,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943816259] [2020-09-25 11:01:32,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-25 11:01:32,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:01:32,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-25 11:01:32,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2020-09-25 11:01:32,773 INFO L87 Difference]: Start difference. First operand 664 states and 774 transitions. Second operand 21 states. [2020-09-25 11:01:33,377 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:01:35,114 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:35,982 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:36,419 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:36,862 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:01:37,321 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:37,797 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:38,222 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:39,067 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:39,503 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:01:39,976 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:01:40,382 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:01:40,755 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 194