/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:54:44,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:54:44,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:54:44,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:54:44,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:54:44,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:54:44,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:54:44,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:54:44,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:54:44,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:54:44,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:54:44,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:54:44,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:54:44,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:54:44,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:54:44,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:54:44,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:54:44,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:54:44,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:54:44,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:54:44,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:54:44,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:54:44,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:54:44,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:54:44,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:54:44,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:54:44,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:54:44,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:54:44,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:54:44,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:54:44,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:54:44,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:54:44,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:54:44,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:54:44,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:54:44,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:54:44,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:54:44,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:54:44,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:54:44,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:54:44,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:54:44,719 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 10:54:44,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:54:44,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:54:44,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:54:44,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:54:44,763 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:54:44,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:54:44,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:54:44,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:54:44,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:54:44,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:54:44,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:54:44,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:54:44,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:54:44,765 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:54:44,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:54:44,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:54:44,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:54:44,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:54:44,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:54:44,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:54:44,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:54:44,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:54:44,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:54:44,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:54:44,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:54:44,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:54:44,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:54:44,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:54:44,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:54:44,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:54:45,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:54:45,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:54:45,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:54:45,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:54:45,231 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:54:45,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-25 10:54:45,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bc1137db/9f49f722321e4fa38c876ac88fd80366/FLAGda1a42d5a [2020-09-25 10:54:45,903 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:54:45,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-25 10:54:45,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bc1137db/9f49f722321e4fa38c876ac88fd80366/FLAGda1a42d5a [2020-09-25 10:54:46,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bc1137db/9f49f722321e4fa38c876ac88fd80366 [2020-09-25 10:54:46,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:54:46,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:54:46,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:46,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:54:46,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:54:46,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46, skipping insertion in model container [2020-09-25 10:54:46,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:54:46,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:54:46,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:46,658 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:54:46,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:54:46,882 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:54:46,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46 WrapperNode [2020-09-25 10:54:46,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:54:46,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:54:46,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:54:46,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:54:46,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... [2020-09-25 10:54:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:54:46,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:54:46,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:54:46,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:54:46,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:54:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:54:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:54:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:54:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:54:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:54:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:54:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:54:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:54:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:54:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:54:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:54:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:54:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:54:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:54:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:54:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:54:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:54:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:54:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:54:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:54:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:54:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:54:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:54:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:54:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:54:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:54:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:54:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:54:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:54:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:54:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:54:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:54:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:54:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:54:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:54:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:54:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:54:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:54:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:54:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:54:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:54:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:54:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:54:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:54:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:54:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:54:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:54:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:54:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:54:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:54:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:54:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:54:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 10:54:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:54:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:54:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:54:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:54:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:54:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 10:54:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:54:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:54:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:54:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:54:48,405 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:54:48,406 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:54:48,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:48 BoogieIcfgContainer [2020-09-25 10:54:48,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:54:48,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:54:48,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:54:48,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:54:48,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:54:46" (1/3) ... [2020-09-25 10:54:48,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@957a8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:48, skipping insertion in model container [2020-09-25 10:54:48,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:54:46" (2/3) ... [2020-09-25 10:54:48,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@957a8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:54:48, skipping insertion in model container [2020-09-25 10:54:48,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:54:48" (3/3) ... [2020-09-25 10:54:48,428 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-09-25 10:54:48,439 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:54:48,453 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:54:48,477 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:54:48,508 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:54:48,508 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:54:48,508 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:54:48,508 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:54:48,509 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:54:48,509 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:54:48,509 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:54:48,509 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:54:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-25 10:54:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:54:48,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:54:48,554 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 10:54:48,555 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:54:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:54:48,562 INFO L82 PathProgramCache]: Analyzing trace with hash -416095138, now seen corresponding path program 1 times [2020-09-25 10:54:48,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:54:48,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187137801] [2020-09-25 10:54:48,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:54:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:51,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:52,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:53,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:54,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:54,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:54:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:54:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-25 10:54:54,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:54,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:54:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 10:54:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 10:54:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:54:54,463 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:54:54,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:54:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:54,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:54,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:54,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:54:54,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 10:54:54,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:54,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:54,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:54:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:54,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:54:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:54,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:54,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:54,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:54,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:54,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:54,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:54:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:54:55,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:55,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:54:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:54:55,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:54:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:54:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:54:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:54:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:54:55,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:54:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:54:55,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:54:55,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:54:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:54:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:54:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:54:55,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:54:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:54:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:54:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:54:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:54:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:54:55,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:54:55,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:54:55,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:54:55,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:54:55,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:54:55,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:54:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:54:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:54:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:54:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:54:55,204 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 10:54:55,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187137801] [2020-09-25 10:54:55,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:54:55,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:54:55,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406364413] [2020-09-25 10:54:55,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:54:55,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:54:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:54:55,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:54:55,247 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 9 states. [2020-09-25 10:54:55,843 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:54:56,895 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:54:57,233 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:54:57,584 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:57,993 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:58,376 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:54:59,094 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:54:59,447 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:54:59,980 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:01,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:01,334 INFO L93 Difference]: Finished difference Result 686 states and 830 transitions. [2020-09-25 10:55:01,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 10:55:01,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 10:55:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:01,358 INFO L225 Difference]: With dead ends: 686 [2020-09-25 10:55:01,359 INFO L226 Difference]: Without dead ends: 476 [2020-09-25 10:55:01,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 10:55:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-09-25 10:55:01,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 401. [2020-09-25 10:55:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-09-25 10:55:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 446 transitions. [2020-09-25 10:55:01,529 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 446 transitions. Word has length 148 [2020-09-25 10:55:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:01,529 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 446 transitions. [2020-09-25 10:55:01,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:55:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 446 transitions. [2020-09-25 10:55:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 10:55:01,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:01,536 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] [2020-09-25 10:55:01,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:55:01,537 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash 798641751, now seen corresponding path program 1 times [2020-09-25 10:55:01,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:01,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260268395] [2020-09-25 10:55:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:02,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:03,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:06,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:06,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-25 10:55:06,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:55:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 10:55:06,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:06,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 10:55:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:55:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 10:55:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:06,965 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 10:55:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:55:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:07,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:07,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:07,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:07,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:07,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:07,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:07,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:07,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:55:07,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:07,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:07,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:55:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:55:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:07,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:07,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 10:55:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:07,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:55:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:07,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:07,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:07,427 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 10:55:07,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260268395] [2020-09-25 10:55:07,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:07,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:55:07,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055608607] [2020-09-25 10:55:07,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:55:07,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:07,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:55:07,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:55:07,431 INFO L87 Difference]: Start difference. First operand 401 states and 446 transitions. Second operand 11 states. [2020-09-25 10:55:08,026 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:09,388 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:09,747 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:55:10,104 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:10,433 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:10,751 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:12,214 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:12,535 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:12,862 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:13,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:13,533 INFO L93 Difference]: Finished difference Result 1119 states and 1403 transitions. [2020-09-25 10:55:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 10:55:13,533 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-09-25 10:55:13,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:13,544 INFO L225 Difference]: With dead ends: 1119 [2020-09-25 10:55:13,544 INFO L226 Difference]: Without dead ends: 833 [2020-09-25 10:55:13,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 10:55:13,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-09-25 10:55:13,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 582. [2020-09-25 10:55:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-09-25 10:55:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 657 transitions. [2020-09-25 10:55:13,691 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 657 transitions. Word has length 167 [2020-09-25 10:55:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:13,692 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 657 transitions. [2020-09-25 10:55:13,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:55:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 657 transitions. [2020-09-25 10:55:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-09-25 10:55:13,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:13,698 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:13,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:55:13,698 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:13,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:13,699 INFO L82 PathProgramCache]: Analyzing trace with hash 269932685, now seen corresponding path program 1 times [2020-09-25 10:55:13,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:13,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954581526] [2020-09-25 10:55:13,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:13,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:13,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-09-25 10:55:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:55:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 10:55:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:18,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-09-25 10:55:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 10:55:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:19,111 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:19,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:19,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 10:55:19,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:19,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:19,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:19,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:19,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:19,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:19,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:19,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:19,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:19,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:55:19,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:19,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:55:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:19,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:55:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 10:55:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 10:55:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:55:19,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 10:55:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 10:55:19,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 10:55:19,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:19,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:19,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:19,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 10:55:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 10:55:19,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 10:55:19,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:55:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 10:55:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:55:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:55:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 10:55:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:55:19,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 10:55:19,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:55:19,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:19,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:19,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 10:55:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:19,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:19,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:19,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:55:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:19,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:19,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:20,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:55:20,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:55:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 10:55:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:55:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:55:20,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:20,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:55:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:20,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:55:20,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:55:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:20,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-25 10:55:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:20,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:20,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:55:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:20,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:20,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:20,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:55:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 10:55:20,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954581526] [2020-09-25 10:55:20,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:20,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 10:55:20,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954220247] [2020-09-25 10:55:20,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 10:55:20,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:20,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 10:55:20,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 10:55:20,209 INFO L87 Difference]: Start difference. First operand 582 states and 657 transitions. Second operand 14 states. [2020-09-25 10:55:21,048 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:22,251 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:55:22,607 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:22,882 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:23,223 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:23,583 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:23,895 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:55:25,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:55:25,327 INFO L93 Difference]: Finished difference Result 1450 states and 1877 transitions. [2020-09-25 10:55:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-25 10:55:25,328 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 253 [2020-09-25 10:55:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:55:25,337 INFO L225 Difference]: With dead ends: 1450 [2020-09-25 10:55:25,337 INFO L226 Difference]: Without dead ends: 983 [2020-09-25 10:55:25,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2020-09-25 10:55:25,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-09-25 10:55:25,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 590. [2020-09-25 10:55:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-09-25 10:55:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 659 transitions. [2020-09-25 10:55:25,443 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 659 transitions. Word has length 253 [2020-09-25 10:55:25,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:55:25,444 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 659 transitions. [2020-09-25 10:55:25,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 10:55:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 659 transitions. [2020-09-25 10:55:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-25 10:55:25,449 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:55:25,450 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:55:25,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:55:25,450 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:55:25,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:55:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1330389098, now seen corresponding path program 1 times [2020-09-25 10:55:25,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:55:25,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467847016] [2020-09-25 10:55:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:55:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:25,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:25,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:28,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:29,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-25 10:55:30,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-25 10:55:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:30,831 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:55:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:55:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 10:55:30,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 10:55:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:30,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 10:55:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:30,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:55:30,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:30,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:30,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 10:55:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:30,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:30,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:55:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:30,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:30,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:30,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:30,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:55:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:55:30,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:30,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:30,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 10:55:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:30,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:30,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:30,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:30,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:30,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:30,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:30,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:30,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:30,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:55:30,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 10:55:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:55:31,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:55:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:55:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:31,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:55:31,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:55:31,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:31,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 10:55:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 10:55:31,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 10:55:31,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 10:55:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 10:55:31,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:55:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 10:55:31,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 10:55:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:55:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:55:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 10:55:31,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 10:55:31,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:55:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 10:55:31,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:55:31,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 10:55:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:55:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 10:55:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:55:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:55:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 10:55:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:55:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:55:31,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:31,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:31,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:55:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:55:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 10:55:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:55:31,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:55:31,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:55:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:55:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 10:55:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:31,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:55:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 10:55:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:55:31,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:55:31,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:55:31,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:55:31,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:55:31,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:55:31,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:55:31,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:55:31,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:55:31,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:55:31,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:55:31,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:55:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 10:55:31,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467847016] [2020-09-25 10:55:31,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:55:31,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 10:55:31,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748995543] [2020-09-25 10:55:31,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 10:55:31,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:55:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 10:55:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 10:55:31,494 INFO L87 Difference]: Start difference. First operand 590 states and 659 transitions. Second operand 12 states. [2020-09-25 10:55:32,034 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:55:33,146 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:55:33,468 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 10:55:33,810 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:55:34,202 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 10:55:34,502 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192