/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:38:47,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:38:47,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:38:47,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:38:47,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:38:47,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:38:47,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:38:47,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:38:47,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:38:47,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:38:47,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:38:47,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:38:47,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:38:47,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:38:47,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:38:47,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:38:47,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:38:47,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:38:47,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:38:47,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:38:47,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:38:47,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:38:47,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:38:47,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:38:47,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:38:47,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:38:47,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:38:47,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:38:47,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:38:47,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:38:47,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:38:47,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:38:47,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:38:47,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:38:47,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:38:47,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:38:47,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:38:47,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:38:47,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:38:47,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:38:47,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:38:47,989 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 00:38:48,015 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:38:48,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:38:48,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:38:48,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:38:48,017 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:38:48,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:38:48,017 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:38:48,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:38:48,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:38:48,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:38:48,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:38:48,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:38:48,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:38:48,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:38:48,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:38:48,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:38:48,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:38:48,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:38:48,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:38:48,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:38:48,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:38:48,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:38:48,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:38:48,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:38:48,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:38:48,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:38:48,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:38:48,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:38:48,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:38:48,022 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:38:48,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:38:48,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:38:48,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:38:48,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:38:48,501 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:38:48,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 00:38:48,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a6a8b15a/8489f2bd69174479911be26920ef9d95/FLAGcb580e5d4 [2020-09-25 00:38:49,208 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:38:49,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 00:38:49,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a6a8b15a/8489f2bd69174479911be26920ef9d95/FLAGcb580e5d4 [2020-09-25 00:38:49,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7a6a8b15a/8489f2bd69174479911be26920ef9d95 [2020-09-25 00:38:49,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:38:49,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:38:49,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:38:49,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:38:49,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:38:49,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:38:49" (1/1) ... [2020-09-25 00:38:49,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:49, skipping insertion in model container [2020-09-25 00:38:49,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:38:49" (1/1) ... [2020-09-25 00:38:49,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:38:49,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:38:50,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:38:50,091 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:38:50,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:38:50,264 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:38:50,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50 WrapperNode [2020-09-25 00:38:50,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:38:50,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:38:50,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:38:50,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:38:50,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (1/1) ... [2020-09-25 00:38:50,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:38:50,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:38:50,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:38:50,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:38:50,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (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 00:38:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:38:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:38:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:38:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:38:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:38:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 00:38:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 00:38:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 00:38:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 00:38:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 00:38:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 00:38:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:38:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 00:38:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 00:38:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:38:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:38:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:38:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:38:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:38:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:38:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:38:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:38:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:38:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:38:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:38:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:38:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:38:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:38:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:38:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:38:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:38:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:38:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:38:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:38:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:38:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:38:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:38:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:38:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:38:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:38:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:38:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 00:38:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:38:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 00:38:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:38:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 00:38:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 00:38:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 00:38:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 00:38:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:38:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:38:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:38:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:38:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:38:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:38:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:38:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:38:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:38:51,936 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:38:51,937 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:38:51,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:38:51 BoogieIcfgContainer [2020-09-25 00:38:51,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:38:51,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:38:51,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:38:51,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:38:51,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:38:49" (1/3) ... [2020-09-25 00:38:51,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ebb804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:38:51, skipping insertion in model container [2020-09-25 00:38:51,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:38:50" (2/3) ... [2020-09-25 00:38:51,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ebb804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:38:51, skipping insertion in model container [2020-09-25 00:38:51,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:38:51" (3/3) ... [2020-09-25 00:38:51,955 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-25 00:38:51,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:38:51,980 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:38:52,003 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:38:52,034 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:38:52,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:38:52,035 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:38:52,035 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:38:52,035 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:38:52,035 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:38:52,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:38:52,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:38:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-25 00:38:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 00:38:52,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:38:52,094 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 00:38:52,095 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:38:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:38:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-25 00:38:52,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:38:52,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1705063894] [2020-09-25 00:38:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:38:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:52,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:57,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:57,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 00:38:57,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:38:57,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 00:38:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:38:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-09-25 00:38:57,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:38:57,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:38:58,136 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 00:38:58,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:38:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:38:58,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 00:38:58,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 00:38:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:38:58,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:58,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 00:38:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:38:58,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 00:38:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:58,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:38:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 00:38:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 00:38:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:38:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 00:38:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:58,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:58,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 00:38:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:38:58,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:38:58,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 00:38:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:58,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 00:38:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:38:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:38:58,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:38:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:38:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 00:38:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:58,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:38:58,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:38:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:38:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 00:38:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:38:58,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:38:58,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:38:58,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:38:58,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:38:58,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:38:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:38:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:38:58,780 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 00:38:58,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1705063894] [2020-09-25 00:38:58,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:38:58,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:38:58,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332704461] [2020-09-25 00:38:58,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:38:58,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:38:58,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:38:58,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:38:58,826 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 10 states. [2020-09-25 00:38:59,642 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 00:39:01,725 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 00:39:02,186 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 00:39:02,622 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 00:39:03,086 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 00:39:03,472 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 00:39:04,407 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 00:39:04,823 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 00:39:05,272 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 00:39:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:39:08,221 INFO L93 Difference]: Finished difference Result 818 states and 1048 transitions. [2020-09-25 00:39:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 00:39:08,226 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-25 00:39:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:39:08,250 INFO L225 Difference]: With dead ends: 818 [2020-09-25 00:39:08,251 INFO L226 Difference]: Without dead ends: 560 [2020-09-25 00:39:08,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 00:39:08,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-25 00:39:08,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 513. [2020-09-25 00:39:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-09-25 00:39:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 612 transitions. [2020-09-25 00:39:08,425 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 612 transitions. Word has length 224 [2020-09-25 00:39:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:39:08,427 INFO L479 AbstractCegarLoop]: Abstraction has 513 states and 612 transitions. [2020-09-25 00:39:08,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:39:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 612 transitions. [2020-09-25 00:39:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-25 00:39:08,435 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:39:08,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:39:08,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:39:08,436 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:39:08,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:39:08,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1977584448, now seen corresponding path program 1 times [2020-09-25 00:39:08,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:39:08,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548635115] [2020-09-25 00:39:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:39:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:13,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:13,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-09-25 00:39:13,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:39:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 00:39:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:39:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 279 [2020-09-25 00:39:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:39:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:13,907 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 00:39:13,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:39:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:39:14,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:39:14,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 00:39:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:39:14,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:14,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:39:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 00:39:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:39:14,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:39:14,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 00:39:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:14,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 00:39:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:14,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:39:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:14,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:14,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 00:39:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:14,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 00:39:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:14,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 00:39:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:14,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:14,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 00:39:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:39:14,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:14,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 00:39:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:14,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 00:39:14,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:39:14,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-09-25 00:39:14,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:39:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 00:39:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:39:14,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:14,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:14,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:14,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:15,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 00:39:15,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:39:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-09-25 00:39:15,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:39:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:39:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:39:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:15,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:15,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 00:39:15,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:39:15,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-25 00:39:15,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:39:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 00:39:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:39:15,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:15,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:15,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:15,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 00:39:15,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:39:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-25 00:39:15,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:39:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:39:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:39:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:39:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:15,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:15,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:15,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:39:15,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:39:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 00:39:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:39:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:39:15,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:39:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:16,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:39:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:16,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:16,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:39:16,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:39:16,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:39:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:39:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:16,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:39:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:39:16,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:39:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 00:39:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:16,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:16,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:39:16,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:16,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:16,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:16,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:16,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-25 00:39:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:16,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:16,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:16,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:16,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:16,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:16,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:39:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:16,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-25 00:39:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:16,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:16,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:16,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:16,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:39:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:39:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:16,275 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 00:39:16,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548635115] [2020-09-25 00:39:16,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:39:16,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 00:39:16,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248172123] [2020-09-25 00:39:16,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 00:39:16,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:39:16,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 00:39:16,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 00:39:16,284 INFO L87 Difference]: Start difference. First operand 513 states and 612 transitions. Second operand 12 states. [2020-09-25 00:39:18,797 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 00:39:19,215 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 00:39:19,666 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 00:39:20,123 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 00:39:20,511 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 00:39:21,018 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 00:39:23,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:39:23,202 INFO L93 Difference]: Finished difference Result 975 states and 1284 transitions. [2020-09-25 00:39:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 00:39:23,204 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 284 [2020-09-25 00:39:23,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:39:23,211 INFO L225 Difference]: With dead ends: 975 [2020-09-25 00:39:23,211 INFO L226 Difference]: Without dead ends: 614 [2020-09-25 00:39:23,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-09-25 00:39:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-09-25 00:39:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 522. [2020-09-25 00:39:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-09-25 00:39:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 621 transitions. [2020-09-25 00:39:23,310 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 621 transitions. Word has length 284 [2020-09-25 00:39:23,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:39:23,311 INFO L479 AbstractCegarLoop]: Abstraction has 522 states and 621 transitions. [2020-09-25 00:39:23,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 00:39:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 621 transitions. [2020-09-25 00:39:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 00:39:23,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:39:23,318 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:39:23,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:39:23,318 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:39:23,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:39:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1259744341, now seen corresponding path program 1 times [2020-09-25 00:39:23,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:39:23,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234870653] [2020-09-25 00:39:23,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:39:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:23,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:23,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:24,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-25 00:39:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:39:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 00:39:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:39:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-25 00:39:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:39:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:28,785 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 00:39:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:39:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:28,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:28,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:39:28,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 00:39:28,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:28,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:28,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 00:39:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:28,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:28,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:39:28,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 00:39:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 00:39:29,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:39:29,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:29,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 00:39:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 00:39:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:39:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 00:39:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 00:39:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:39:29,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:29,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 00:39:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 00:39:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:39:29,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-25 00:39:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:39:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:39:29,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:39:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:39:29,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:39:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:39:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:39:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:39:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 00:39:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:39:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:29,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:39:29,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 00:39:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 00:39:29,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 00:39:29,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-09-25 00:39:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 00:39:29,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:39:29,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:39:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 00:39:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:39:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 00:39:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:39:29,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:39:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:39:29,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:39:29,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:39:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:39:29,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:39:29,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:39:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:39:29,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:39:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:39:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:39:29,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:39:29,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:39:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-25 00:39:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:29,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:39:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-25 00:39:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:29,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:29,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:39:29,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:39:29,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:39:29,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:39:29,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:39:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:39:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:39:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:39:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:39:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-09-25 00:39:29,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234870653] [2020-09-25 00:39:29,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:39:29,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 00:39:29,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329552282] [2020-09-25 00:39:29,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:39:29,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:39:29,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:39:29,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:39:29,534 INFO L87 Difference]: Start difference. First operand 522 states and 621 transitions. Second operand 8 states. [2020-09-25 00:39:30,858 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 00:39:35,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:39:35,043 INFO L93 Difference]: Finished difference Result 1279 states and 1682 transitions. [2020-09-25 00:39:35,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:39:35,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 298 [2020-09-25 00:39:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:39:35,053 INFO L225 Difference]: With dead ends: 1279 [2020-09-25 00:39:35,053 INFO L226 Difference]: Without dead ends: 886 [2020-09-25 00:39:35,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:39:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-09-25 00:39:35,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 670. [2020-09-25 00:39:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-09-25 00:39:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 802 transitions. [2020-09-25 00:39:35,191 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 802 transitions. Word has length 298 [2020-09-25 00:39:35,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:39:35,192 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 802 transitions. [2020-09-25 00:39:35,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:39:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 802 transitions. [2020-09-25 00:39:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 00:39:35,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:39:35,198 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, 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 00:39:35,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:39:35,198 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:39:35,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:39:35,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1290138322, now seen corresponding path program 1 times [2020-09-25 00:39:35,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:39:35,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490073005] [2020-09-25 00:39:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:39:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:39:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:35,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:39:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking...