/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=0.5 --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_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:17:08,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:17:08,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:17:08,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:17:08,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:17:08,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:17:08,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:17:08,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:17:08,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:17:08,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:17:08,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:17:08,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:17:08,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:17:08,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:17:08,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:17:08,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:17:08,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:17:08,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:17:08,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:17:08,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:17:08,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:17:08,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:17:08,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:17:08,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:17:08,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:17:08,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:17:08,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:17:08,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:17:08,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:17:08,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:17:08,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:17:08,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:17:08,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:17:08,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:17:08,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:17:08,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:17:08,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:17:08,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:17:08,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:17:08,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:17:08,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:17:08,325 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 14:17:08,352 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:17:08,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:17:08,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:17:08,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:17:08,354 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:17:08,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:17:08,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:17:08,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:17:08,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:17:08,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:17:08,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:17:08,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:17:08,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:17:08,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:17:08,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:17:08,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:17:08,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:17:08,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:17:08,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:17:08,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:17:08,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:17:08,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:17:08,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:17:08,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:17:08,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:17:08,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:17:08,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:17:08,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:17:08,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:17:08,359 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:17:08,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:17:08,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:17:08,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:17:08,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:17:08,862 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:17:08,864 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-25 14:17:08,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c82b59e4/2dcd265a5b7843569acfc63a6439fbd0/FLAGbeff7d0db [2020-09-25 14:17:09,564 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:17:09,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-25 14:17:09,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c82b59e4/2dcd265a5b7843569acfc63a6439fbd0/FLAGbeff7d0db [2020-09-25 14:17:09,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c82b59e4/2dcd265a5b7843569acfc63a6439fbd0 [2020-09-25 14:17:09,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:17:09,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:17:09,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:17:09,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:17:09,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:17:09,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:17:09" (1/1) ... [2020-09-25 14:17:09,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e33fb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:09, skipping insertion in model container [2020-09-25 14:17:09,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:17:09" (1/1) ... [2020-09-25 14:17:09,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:17:09,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:17:10,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:17:10,324 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:17:10,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:17:10,508 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:17:10,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10 WrapperNode [2020-09-25 14:17:10,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:17:10,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:17:10,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:17:10,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:17:10,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (1/1) ... [2020-09-25 14:17:10,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:17:10,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:17:10,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:17:10,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:17:10,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (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 14:17:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:17:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:17:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:17:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:17:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:17:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:17:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:17:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:17:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:17:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:17:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:17:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:17:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:17:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:17:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:17:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:17:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:17:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:17:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:17:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:17:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:17:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:17:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:17:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:17:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:17:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:17:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:17:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:17:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:17:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:17:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:17:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:17:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:17:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:17:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:17:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:17:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:17:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:17:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:17:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:17:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:17:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:17:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:17:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:17:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:17:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:17:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:17:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:17:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:17:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:17:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:17:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:17:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:17:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:17:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:17:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:17:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:17:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:17:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:17:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:17:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:17:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:17:11,905 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:17:11,905 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:17:11,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:17:11 BoogieIcfgContainer [2020-09-25 14:17:11,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:17:11,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:17:11,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:17:11,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:17:11,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:17:09" (1/3) ... [2020-09-25 14:17:11,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3604310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:17:11, skipping insertion in model container [2020-09-25 14:17:11,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:10" (2/3) ... [2020-09-25 14:17:11,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3604310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:17:11, skipping insertion in model container [2020-09-25 14:17:11,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:17:11" (3/3) ... [2020-09-25 14:17:11,922 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-09-25 14:17:11,934 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:17:11,945 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:17:11,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:17:12,002 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:17:12,002 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:17:12,003 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:17:12,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:17:12,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:17:12,003 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:17:12,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:17:12,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:17:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 14:17:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:17:12,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:17:12,052 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] [2020-09-25 14:17:12,052 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:17:12,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:17:12,061 INFO L82 PathProgramCache]: Analyzing trace with hash -416095138, now seen corresponding path program 1 times [2020-09-25 14:17:12,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:17:12,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853084658] [2020-09-25 14:17:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:17:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:12,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:14,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:15,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:17,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:17,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:17:17,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:17:17,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 14:17:17,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:17,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:17:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:17:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 14:17:17,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:17:18,069 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:17:18,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:17:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:17:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-25 14:17:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:17:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:17:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:18,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:17:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:17:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:18,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:18,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:18,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:17:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:18,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:17:18,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:17:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:17:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:18,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:17:18,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:17:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:18,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:17:18,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:18,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:17:18,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:17:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:18,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:18,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:17:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:17:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:18,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:18,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:18,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:18,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:17:18,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:18,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:17:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:18,684 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 14:17:18,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853084658] [2020-09-25 14:17:18,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:17:18,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:17:18,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887840984] [2020-09-25 14:17:18,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:17:18,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:17:18,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:17:18,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:17:18,728 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 5 states. [2020-09-25 14:17:19,494 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:17:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:17:20,940 INFO L93 Difference]: Finished difference Result 510 states and 605 transitions. [2020-09-25 14:17:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:17:20,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:17:20,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:17:20,967 INFO L225 Difference]: With dead ends: 510 [2020-09-25 14:17:20,967 INFO L226 Difference]: Without dead ends: 323 [2020-09-25 14:17:20,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:17:20,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-09-25 14:17:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2020-09-25 14:17:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-25 14:17:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 296 transitions. [2020-09-25 14:17:21,122 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 296 transitions. Word has length 148 [2020-09-25 14:17:21,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:17:21,125 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 296 transitions. [2020-09-25 14:17:21,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:17:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 296 transitions. [2020-09-25 14:17:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 14:17:21,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:17:21,139 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] [2020-09-25 14:17:21,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:17:21,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:17:21,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:17:21,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1254876644, now seen corresponding path program 1 times [2020-09-25 14:17:21,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:17:21,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118749291] [2020-09-25 14:17:21,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:17:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:21,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:21,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:22,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:25,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:26,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:26,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-25 14:17:26,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:17:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 14:17:26,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:26,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:17:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:17:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 14:17:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:26,662 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:17:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:17:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:26,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:26,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:26,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:17:26,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:26,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 14:17:26,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:26,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:17:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:26,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:17:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:26,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:26,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:17:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:26,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:26,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:26,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:26,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:26,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:26,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:26,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:17:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:27,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:17:27,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:17:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:17:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:27,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:27,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:17:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:27,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:27,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:17:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:17:27,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:17:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:17:27,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:17:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 14:17:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:17:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:17:27,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:17:27,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:27,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:27,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:27,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:27,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:17:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:27,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:17:27,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:17:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:17:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 14:17:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:27,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:27,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:27,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:27,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:27,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:27,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:27,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:17:27,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:27,194 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 14:17:27,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118749291] [2020-09-25 14:17:27,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:17:27,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:17:27,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166752862] [2020-09-25 14:17:27,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:17:27,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:17:27,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:17:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:17:27,200 INFO L87 Difference]: Start difference. First operand 272 states and 296 transitions. Second operand 10 states. [2020-09-25 14:17:27,765 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:17:28,823 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:17:29,160 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:17:30,091 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:17:30,476 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:17:31,328 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:17:31,645 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:17:31,952 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:17:32,637 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:17:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:17:33,721 INFO L93 Difference]: Finished difference Result 708 states and 860 transitions. [2020-09-25 14:17:33,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 14:17:33,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-09-25 14:17:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:17:33,741 INFO L225 Difference]: With dead ends: 708 [2020-09-25 14:17:33,741 INFO L226 Difference]: Without dead ends: 533 [2020-09-25 14:17:33,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 14:17:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-09-25 14:17:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 401. [2020-09-25 14:17:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-25 14:17:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 444 transitions. [2020-09-25 14:17:33,828 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 444 transitions. Word has length 162 [2020-09-25 14:17:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:17:33,829 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 444 transitions. [2020-09-25 14:17:33,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:17:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 444 transitions. [2020-09-25 14:17:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 14:17:33,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:17:33,833 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] [2020-09-25 14:17:33,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:17:33,833 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:17:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:17:33,834 INFO L82 PathProgramCache]: Analyzing trace with hash -585401397, now seen corresponding path program 1 times [2020-09-25 14:17:33,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:17:33,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199000641] [2020-09-25 14:17:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:17:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:33,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:34,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:34,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:36,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:38,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:38,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 14:17:38,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:17:38,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 14:17:38,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:38,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:17:38,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:17:38,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 14:17:38,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:17:39,261 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:17:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:17:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:17:39,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 14:17:39,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:17:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:39,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:39,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:17:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:39,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:17:39,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:17:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:39,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:17:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:39,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:17:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:17:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:17:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:17:39,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:17:39,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:17:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:17:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:17:39,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:17:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 14:17:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:17:39,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:17:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:17:39,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 14:17:39,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:17:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:17:39,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:39,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:17:39,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 14:17:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:39,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:17:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 14:17:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:39,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:39,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:39,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:39,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:39,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:39,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:17:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:39,632 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 14:17:39,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199000641] [2020-09-25 14:17:39,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:17:39,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:17:39,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83047295] [2020-09-25 14:17:39,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:17:39,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:17:39,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:17:39,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:17:39,635 INFO L87 Difference]: Start difference. First operand 401 states and 444 transitions. Second operand 8 states. [2020-09-25 14:17:40,234 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:17:44,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:17:44,932 INFO L93 Difference]: Finished difference Result 1295 states and 1736 transitions. [2020-09-25 14:17:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 14:17:44,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-09-25 14:17:44,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:17:44,945 INFO L225 Difference]: With dead ends: 1295 [2020-09-25 14:17:44,945 INFO L226 Difference]: Without dead ends: 1292 [2020-09-25 14:17:44,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2020-09-25 14:17:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-09-25 14:17:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 560. [2020-09-25 14:17:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-25 14:17:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 633 transitions. [2020-09-25 14:17:45,097 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 633 transitions. Word has length 180 [2020-09-25 14:17:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:17:45,099 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 633 transitions. [2020-09-25 14:17:45,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:17:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 633 transitions. [2020-09-25 14:17:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:17:45,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:17:45,108 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:45,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:17:45,109 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:17:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:17:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash 539761957, now seen corresponding path program 1 times [2020-09-25 14:17:45,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:17:45,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957264239] [2020-09-25 14:17:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:17:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:45,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:45,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:46,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:47,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:47,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:47,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 14:17:50,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 14:17:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 14:17:50,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-25 14:17:50,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 14:17:50,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,499 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:17:50,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:17:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:17:50,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 14:17:50,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:17:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:50,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:17:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:50,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:17:50,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:17:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:50,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:17:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:50,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:50,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:17:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:50,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:50,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:17:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:17:50,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:17:50,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:17:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:17:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:50,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:17:50,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:50,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:50,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:50,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:17:50,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:50,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 14:17:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:50,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 14:17:51,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:17:51,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 781 [2020-09-25 14:17:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 14:17:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:17:51,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:17:51,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:17:51,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:17:51,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:17:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:17:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:51,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:17:51,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:17:51,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:17:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:17:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:17:51,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:51,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:51,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:17:51,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 14:17:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:17:51,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:17:51,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:51,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:17:51,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:51,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:17:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:51,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:51,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 14:17:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:17:51,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:17:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:17:51,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:17:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:17:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:17:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:17:51,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:17:51,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:17:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:17:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:17:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:17:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:17:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:17:51,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:51,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:17:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:17:51,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 14:17:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:17:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:17:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:17:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 14:17:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:51,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:17:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:17:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:17:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:17:51,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:17:51,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:17:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:17:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:17:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:17:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:17:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-25 14:17:52,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957264239] [2020-09-25 14:17:52,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:17:52,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 14:17:52,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447262879] [2020-09-25 14:17:52,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:17:52,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:17:52,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:17:52,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:17:52,074 INFO L87 Difference]: Start difference. First operand 560 states and 633 transitions. Second operand 13 states. [2020-09-25 14:17:52,635 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:17:53,164 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:17:55,013 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:17:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:17:57,058 INFO L93 Difference]: Finished difference Result 1841 states and 2373 transitions. [2020-09-25 14:17:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-25 14:17:57,060 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-09-25 14:17:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:17:57,069 INFO L225 Difference]: With dead ends: 1841 [2020-09-25 14:17:57,070 INFO L226 Difference]: Without dead ends: 1396 [2020-09-25 14:17:57,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=565, Invalid=2087, Unknown=0, NotChecked=0, Total=2652 [2020-09-25 14:17:57,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2020-09-25 14:17:57,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 906. [2020-09-25 14:17:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-09-25 14:17:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1005 transitions. [2020-09-25 14:17:57,214 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1005 transitions. Word has length 230 [2020-09-25 14:17:57,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:17:57,215 INFO L479 AbstractCegarLoop]: Abstraction has 906 states and 1005 transitions. [2020-09-25 14:17:57,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:17:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1005 transitions. [2020-09-25 14:17:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-09-25 14:17:57,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:17:57,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:17:57,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:17:57,222 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:17:57,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:17:57,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1343586443, now seen corresponding path program 1 times [2020-09-25 14:17:57,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:17:57,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319387492] [2020-09-25 14:17:57,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:17:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:17:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:17:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking...