/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:53:38,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:53:38,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:53:38,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:53:38,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:53:38,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:53:38,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:53:38,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:53:38,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:53:38,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:53:38,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:53:38,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:53:38,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:53:38,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:53:38,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:53:38,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:53:38,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:53:38,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:53:38,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:53:38,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:53:38,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:53:38,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:53:38,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:53:38,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:53:38,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:53:38,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:53:38,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:53:38,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:53:38,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:53:38,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:53:38,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:53:38,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:53:38,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:53:38,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:53:38,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:53:38,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:53:38,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:53:38,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:53:38,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:53:38,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:53:38,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:53:38,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:53:39,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:53:39,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:53:39,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:53:39,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:53:39,032 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:53:39,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:53:39,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:53:39,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:53:39,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:53:39,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:53:39,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:53:39,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:53:39,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:53:39,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:53:39,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:53:39,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:53:39,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:53:39,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:53:39,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:53:39,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:53:39,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:53:39,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:53:39,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:53:39,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:53:39,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:53:39,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:53:39,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:53:39,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:53:39,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:53:39,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:53:39,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:53:39,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:53:39,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:53:39,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:53:39,540 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:53:39,541 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 09:53:39,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3e2be42/7b733afe8b8747c99b8384f20f41e0dd/FLAG8b3b67118 [2020-09-25 09:53:40,154 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:53:40,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 09:53:40,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3e2be42/7b733afe8b8747c99b8384f20f41e0dd/FLAG8b3b67118 [2020-09-25 09:53:40,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3e2be42/7b733afe8b8747c99b8384f20f41e0dd [2020-09-25 09:53:40,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:53:40,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:53:40,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:53:40,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:53:40,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:53:40,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:40" (1/1) ... [2020-09-25 09:53:40,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:40, skipping insertion in model container [2020-09-25 09:53:40,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:53:40" (1/1) ... [2020-09-25 09:53:40,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:53:40,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:53:41,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:53:41,128 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:53:41,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:53:41,272 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:53:41,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41 WrapperNode [2020-09-25 09:53:41,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:53:41,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:53:41,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:53:41,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:53:41,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... [2020-09-25 09:53:41,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:53:41,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:53:41,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:53:41,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:53:41,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:53:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:53:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:53:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:53:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:53:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:53:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:53:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:53:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:53:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:53:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:53:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 09:53:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 09:53:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 09:53:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 09:53:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 09:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 09:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:53:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 09:53:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 09:53:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:53:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:53:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:53:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:53:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:53:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:53:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:53:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:53:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:53:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:53:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:53:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:53:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:53:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:53:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:53:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:53:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:53:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:53:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:53:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:53:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:53:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:53:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:53:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:53:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:53:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:53:41,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:53:41,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:53:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:53:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:53:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 09:53:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 09:53:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 09:53:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:53:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:53:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:53:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:53:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:53:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:53:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:53:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:53:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:53:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:53:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:53:42,928 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:53:42,928 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:53:42,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:42 BoogieIcfgContainer [2020-09-25 09:53:42,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:53:42,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:53:42,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:53:42,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:53:42,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:53:40" (1/3) ... [2020-09-25 09:53:42,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a344c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:42, skipping insertion in model container [2020-09-25 09:53:42,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:53:41" (2/3) ... [2020-09-25 09:53:42,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a344c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:53:42, skipping insertion in model container [2020-09-25 09:53:42,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:53:42" (3/3) ... [2020-09-25 09:53:42,947 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-25 09:53:42,959 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:53:42,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:53:42,992 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:53:43,023 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:53:43,023 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:53:43,023 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:53:43,023 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:53:43,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:53:43,024 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:53:43,024 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:53:43,024 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:53:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-25 09:53:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 09:53:43,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:43,084 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:53:43,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:43,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:43,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-25 09:53:43,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:43,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580150260] [2020-09-25 09:53:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:43,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:47,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:48,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:48,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 09:53:48,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:53:48,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 09:53:48,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:48,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:53:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 09:53:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-09-25 09:53:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:53:49,130 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:53:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:53:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:53:49,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-09-25 09:53:49,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 09:53:49,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:53:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:53:49,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:53:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:49,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:53:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:53:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:53:49,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 09:53:49,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:53:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:53:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:49,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:53:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:53:49,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:53:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:53:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:53:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:49,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:53:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:53:49,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:53:49,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:53:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:53:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:49,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:53:49,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:49,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:53:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:53:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:53:49,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:49,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:53:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:53:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:53:49,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:49,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 09:53:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:53:49,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:53:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:53:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 09:53:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:49,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:49,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:53:49,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:53:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:53:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:53:49,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:53:49,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:53:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:53:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:53:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:53:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:53:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:53:50,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580150260] [2020-09-25 09:53:50,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:53:50,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:53:50,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374424095] [2020-09-25 09:53:50,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:53:50,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:53:50,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:53:50,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:53:50,051 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 6 states. [2020-09-25 09:53:50,968 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:53:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:53:55,736 INFO L93 Difference]: Finished difference Result 937 states and 1145 transitions. [2020-09-25 09:53:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 09:53:55,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-09-25 09:53:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:53:55,764 INFO L225 Difference]: With dead ends: 937 [2020-09-25 09:53:55,765 INFO L226 Difference]: Without dead ends: 674 [2020-09-25 09:53:55,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:53:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-09-25 09:53:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 576. [2020-09-25 09:53:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 09:53:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 662 transitions. [2020-09-25 09:53:55,968 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 662 transitions. Word has length 224 [2020-09-25 09:53:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:53:55,969 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 662 transitions. [2020-09-25 09:53:55,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:53:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 662 transitions. [2020-09-25 09:53:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 09:53:55,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:53:55,978 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:53:55,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:53:55,979 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:53:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:53:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash -596184480, now seen corresponding path program 1 times [2020-09-25 09:53:55,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:53:55,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087419779] [2020-09-25 09:53:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:53:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:53:56,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:53:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-09-25 09:54:01,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:54:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 09:54:01,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:54:01,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 09:54:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-25 09:54:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:01,500 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:54:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:54:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:54:01,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 09:54:01,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 09:54:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:01,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:54:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:54:01,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:01,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:54:01,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:54:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:01,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:54:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:01,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:54:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 09:54:01,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:54:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:01,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:01,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:54:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:01,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:01,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:54:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:54:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:02,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:54:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:54:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:02,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:54:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:02,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:02,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:54:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:54:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:54:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:54:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:54:02,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:54:02,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:02,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:54:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:54:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 09:54:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 09:54:02,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:54:02,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:02,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:54:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 09:54:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:54:02,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:02,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:54:02,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:54:02,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:02,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 09:54:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:54:02,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:54:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:02,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:54:02,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-25 09:54:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:02,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:02,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:02,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:02,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:02,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:02,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:54:02,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:54:02,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087419779] [2020-09-25 09:54:02,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:54:02,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 09:54:02,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156101560] [2020-09-25 09:54:02,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:54:02,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:54:02,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:54:02,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:54:02,318 INFO L87 Difference]: Start difference. First operand 576 states and 662 transitions. Second operand 12 states. [2020-09-25 09:54:02,990 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:54:05,790 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:54:06,223 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:54:06,789 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:54:07,191 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:54:07,593 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 09:54:07,981 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:54:08,376 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:54:09,117 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:54:12,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:54:12,928 INFO L93 Difference]: Finished difference Result 1677 states and 2224 transitions. [2020-09-25 09:54:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 09:54:12,929 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 250 [2020-09-25 09:54:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:54:12,943 INFO L225 Difference]: With dead ends: 1677 [2020-09-25 09:54:12,943 INFO L226 Difference]: Without dead ends: 1253 [2020-09-25 09:54:12,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=232, Invalid=580, Unknown=0, NotChecked=0, Total=812 [2020-09-25 09:54:12,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-09-25 09:54:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1017. [2020-09-25 09:54:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1017 states. [2020-09-25 09:54:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1240 transitions. [2020-09-25 09:54:13,156 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1240 transitions. Word has length 250 [2020-09-25 09:54:13,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:54:13,157 INFO L479 AbstractCegarLoop]: Abstraction has 1017 states and 1240 transitions. [2020-09-25 09:54:13,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:54:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1240 transitions. [2020-09-25 09:54:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 09:54:13,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:54:13,164 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:54:13,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:54:13,164 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:54:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:54:13,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1314452559, now seen corresponding path program 1 times [2020-09-25 09:54:13,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:54:13,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102993189] [2020-09-25 09:54:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:54:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:18,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:18,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 09:54:18,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:54:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 09:54:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:18,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-25 09:54:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 09:54:18,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-09-25 09:54:18,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:18,729 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 09:54:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:54:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:18,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:54:19,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-09-25 09:54:19,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 09:54:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 09:54:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:54:19,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:54:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:54:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:54:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 09:54:19,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 09:54:19,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 09:54:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:19,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 09:54:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:19,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:54:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:54:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 09:54:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:19,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 09:54:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:54:19,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 09:54:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:54:19,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:54:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:54:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:54:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:54:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:54:19,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:54:19,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 09:54:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:54:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:54:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:54:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 09:54:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:54:19,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:54:19,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:54:19,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 09:54:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 09:54:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:54:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:54:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:54:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 09:54:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 09:54:19,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:54:19,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:54:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:54:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 09:54:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:54:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:54:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:54:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:54:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 09:54:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:54:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:54:19,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:54:19,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:54:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 09:54:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:19,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:54:19,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:54:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:54:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 09:54:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:54:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:54:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:54:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:54:19,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:54:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:54:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:54:19,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:54:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:54:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:54:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:54:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:54:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 09:54:19,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102993189] [2020-09-25 09:54:19,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:54:19,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 09:54:19,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115590355] [2020-09-25 09:54:19,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:54:19,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:54:19,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:54:19,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:54:19,832 INFO L87 Difference]: Start difference. First operand 1017 states and 1240 transitions. Second operand 12 states. [2020-09-25 09:54:20,653 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:54:25,099 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 09:54:25,547 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 09:54:26,072 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:54:26,840 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 214 [2020-09-25 09:54:27,241 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 09:54:27,629 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 09:54:28,074 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 09:54:28,457 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212