/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=0.1 --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_spec1_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:44:46,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:44:46,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:44:46,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:44:46,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:44:46,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:44:46,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:44:46,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:44:46,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:44:46,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:44:46,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:44:46,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:44:46,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:44:46,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:44:46,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:44:46,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:44:46,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:44:46,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:44:46,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:44:46,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:44:46,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:44:46,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:44:46,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:44:46,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:44:46,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:44:46,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:44:46,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:44:46,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:44:46,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:44:46,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:44:46,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:44:46,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:44:46,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:44:46,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:44:46,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:44:46,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:44:46,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:44:46,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:44:46,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:44:46,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:44:46,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:44:46,124 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 09:44:46,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:44:46,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:44:46,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:44:46,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:44:46,152 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:44:46,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:44:46,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:44:46,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:44:46,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:44:46,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:44:46,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:44:46,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:44:46,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:44:46,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:44:46,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:44:46,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:44:46,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:44:46,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:44:46,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:44:46,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:44:46,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:44:46,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:44:46,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:44:46,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:44:46,157 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:44:46,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:44:46,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:44:46,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:44:46,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:44:46,638 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:44:46,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c [2020-09-25 09:44:46,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0675f1ee6/03aecb9f4d004f43a5d549d22f5dcff1/FLAG7d0a2f55f [2020-09-25 09:44:47,330 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:44:47,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product56.cil.c [2020-09-25 09:44:47,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0675f1ee6/03aecb9f4d004f43a5d549d22f5dcff1/FLAG7d0a2f55f [2020-09-25 09:44:47,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0675f1ee6/03aecb9f4d004f43a5d549d22f5dcff1 [2020-09-25 09:44:47,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:44:47,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:44:47,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:47,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:44:47,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:44:47,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:47" (1/1) ... [2020-09-25 09:44:47,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4700e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:47, skipping insertion in model container [2020-09-25 09:44:47,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:47" (1/1) ... [2020-09-25 09:44:47,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:44:47,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:44:48,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:48,196 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:44:48,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:48,334 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:44:48,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48 WrapperNode [2020-09-25 09:44:48,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:48,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:44:48,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:44:48,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:44:48,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (1/1) ... [2020-09-25 09:44:48,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:44:48,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:44:48,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:44:48,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:44:48,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (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 09:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:44:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:44:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:44:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 09:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:44:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:44:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:44:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:44:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:44:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:44:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:44:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:44:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:44:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:44:48,577 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:44:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:44:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:44:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:44:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:44:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:44:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:44:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:44:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:44:49,778 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:44:49,778 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:44:49,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:49 BoogieIcfgContainer [2020-09-25 09:44:49,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:44:49,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:44:49,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:44:49,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:44:49,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:44:47" (1/3) ... [2020-09-25 09:44:49,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d01495f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:49, skipping insertion in model container [2020-09-25 09:44:49,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:48" (2/3) ... [2020-09-25 09:44:49,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d01495f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:49, skipping insertion in model container [2020-09-25 09:44:49,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:49" (3/3) ... [2020-09-25 09:44:49,795 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product56.cil.c [2020-09-25 09:44:49,806 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:44:49,816 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:44:49,834 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:44:49,865 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:44:49,865 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:44:49,866 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:44:49,866 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:44:49,866 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:44:49,866 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:44:49,866 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:44:49,866 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:44:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states. [2020-09-25 09:44:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:44:49,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:49,915 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 09:44:49,916 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:49,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:49,924 INFO L82 PathProgramCache]: Analyzing trace with hash 826882234, now seen corresponding path program 1 times [2020-09-25 09:44:49,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:49,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946016004] [2020-09-25 09:44:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:50,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:55,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:55,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:44:55,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:44:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 09:44:55,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:55,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:44:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:44:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-25 09:44:55,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:44:55,844 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:56,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-25 09:44:56,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:44:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:56,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:56,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:56,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:56,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:44:56,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:56,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:56,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:56,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:44:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:56,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:56,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:44:56,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:56,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:56,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:56,453 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 09:44:56,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946016004] [2020-09-25 09:44:56,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:56,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:44:56,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765518056] [2020-09-25 09:44:56,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:44:56,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:56,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:44:56,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:44:56,491 INFO L87 Difference]: Start difference. First operand 342 states. Second operand 8 states. [2020-09-25 09:44:57,220 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:58,416 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:58,998 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 09:44:59,323 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:59,671 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:00,046 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:00,869 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:01,188 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:01,583 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:03,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:03,165 INFO L93 Difference]: Finished difference Result 677 states and 847 transitions. [2020-09-25 09:45:03,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:45:03,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:45:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:03,190 INFO L225 Difference]: With dead ends: 677 [2020-09-25 09:45:03,190 INFO L226 Difference]: Without dead ends: 446 [2020-09-25 09:45:03,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:45:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-25 09:45:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 401. [2020-09-25 09:45:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-25 09:45:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 462 transitions. [2020-09-25 09:45:03,387 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 462 transitions. Word has length 142 [2020-09-25 09:45:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:03,389 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 462 transitions. [2020-09-25 09:45:03,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:45:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 462 transitions. [2020-09-25 09:45:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 09:45:03,395 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:03,395 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, 1, 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 09:45:03,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:45:03,396 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:03,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:03,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1255055236, now seen corresponding path program 1 times [2020-09-25 09:45:03,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:03,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985379622] [2020-09-25 09:45:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:03,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:03,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-25 09:45:08,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:08,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 09:45:08,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:45:08,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:45:08,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-25 09:45:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:08,807 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:08,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:45:09,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:09,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:09,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:09,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:09,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:09,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:45:09,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:09,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:09,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:09,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 09:45:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:09,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:09,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:09,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 09:45:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:45:09,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-25 09:45:09,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 09:45:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:09,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 09:45:09,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:45:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:09,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 09:45:09,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:45:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 09:45:09,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:45:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:09,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:09,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:45:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:45:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 09:45:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:09,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:45:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 09:45:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:09,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:09,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:09,855 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 09:45:09,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985379622] [2020-09-25 09:45:09,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:09,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:45:09,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86681520] [2020-09-25 09:45:09,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:45:09,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:09,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:45:09,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:45:09,863 INFO L87 Difference]: Start difference. First operand 401 states and 462 transitions. Second operand 14 states. [2020-09-25 09:45:10,360 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:11,716 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 09:45:12,358 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:45:12,753 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:13,138 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:13,519 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:14,026 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:14,432 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:45:14,853 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:15,238 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:15,577 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:15,912 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:16,245 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:45:16,719 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:17,157 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:17,573 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:18,029 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:18,461 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:18,809 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:22,183 INFO L93 Difference]: Finished difference Result 1272 states and 1748 transitions. [2020-09-25 09:45:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-25 09:45:22,184 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 199 [2020-09-25 09:45:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:22,195 INFO L225 Difference]: With dead ends: 1272 [2020-09-25 09:45:22,195 INFO L226 Difference]: Without dead ends: 932 [2020-09-25 09:45:22,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2020-09-25 09:45:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-09-25 09:45:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 663. [2020-09-25 09:45:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-09-25 09:45:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 769 transitions. [2020-09-25 09:45:22,314 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 769 transitions. Word has length 199 [2020-09-25 09:45:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:22,315 INFO L479 AbstractCegarLoop]: Abstraction has 663 states and 769 transitions. [2020-09-25 09:45:22,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:45:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 769 transitions. [2020-09-25 09:45:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 09:45:22,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:22,320 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-09-25 09:45:22,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:45:22,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:22,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:22,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1957718457, now seen corresponding path program 1 times [2020-09-25 09:45:22,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:22,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474201189] [2020-09-25 09:45:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:22,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-09-25 09:45:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 09:45:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 09:45:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:27,666 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:27,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 09:45:27,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:27,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:45:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:45:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:27,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:27,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:27,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:45:27,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:27,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:45:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:27,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 09:45:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:45:27,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:27,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 09:45:27,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:45:27,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:45:27,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:27,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:27,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:27,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:27,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:27,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 09:45:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:45:28,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 09:45:28,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:45:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:45:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 09:45:28,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:45:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 09:45:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 09:45:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:45:28,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:45:28,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:28,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 09:45:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:28,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:45:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:28,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:28,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:45:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 09:45:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:28,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 09:45:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:28,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:28,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:28,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:28,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:28,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 09:45:28,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474201189] [2020-09-25 09:45:28,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:28,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 09:45:28,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011974104] [2020-09-25 09:45:28,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 09:45:28,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:28,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 09:45:28,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 09:45:28,668 INFO L87 Difference]: Start difference. First operand 663 states and 769 transitions. Second operand 13 states. [2020-09-25 09:45:29,436 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:30,905 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:45:31,219 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:45:31,566 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:45:31,921 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:32,273 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:45:32,625 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:34,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:34,931 INFO L93 Difference]: Finished difference Result 1692 states and 2188 transitions. [2020-09-25 09:45:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 09:45:34,932 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2020-09-25 09:45:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:34,941 INFO L225 Difference]: With dead ends: 1692 [2020-09-25 09:45:34,941 INFO L226 Difference]: Without dead ends: 1139 [2020-09-25 09:45:34,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 09:45:34,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-09-25 09:45:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 659. [2020-09-25 09:45:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-25 09:45:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 751 transitions. [2020-09-25 09:45:35,041 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 751 transitions. Word has length 229 [2020-09-25 09:45:35,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:35,042 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 751 transitions. [2020-09-25 09:45:35,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 09:45:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 751 transitions. [2020-09-25 09:45:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 09:45:35,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:35,045 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, 1, 1, 1, 1, 1, 1, 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 09:45:35,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:45:35,046 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:35,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:35,046 INFO L82 PathProgramCache]: Analyzing trace with hash 446110533, now seen corresponding path program 1 times [2020-09-25 09:45:35,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:35,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684965811] [2020-09-25 09:45:35,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:36,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:36,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-25 09:45:36,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:36,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-09-25 09:45:36,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:36,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:36,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:45:36,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:45:36,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 09:45:36,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:36,675 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:36,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:36,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:36,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:36,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-25 09:45:36,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:36,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:36,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:45:36,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:37,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:37,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:37,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:37,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:37,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:37,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:45:37,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:45:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:37,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:45:37,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:45:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 09:45:37,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 09:45:37,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 09:45:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 09:45:37,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:37,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:37,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:45:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 09:45:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:37,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:45:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:45:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:37,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:45:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:37,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:37,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:45:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:37,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:37,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:37,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 09:45:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:37,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:37,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:37,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 09:45:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:37,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:37,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:37,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:37,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:37,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:37,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:37,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:37,357 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 09:45:37,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684965811] [2020-09-25 09:45:37,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:37,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:45:37,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956973346] [2020-09-25 09:45:37,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:45:37,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:37,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:45:37,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:45:37,360 INFO L87 Difference]: Start difference. First operand 659 states and 751 transitions. Second operand 8 states. [2020-09-25 09:45:37,953 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186