/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:25:34,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:25:34,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:25:34,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:25:34,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:25:34,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:25:34,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:25:34,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:25:34,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:25:34,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:25:34,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:25:34,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:25:34,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:25:34,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:25:34,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:25:34,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:25:34,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:25:34,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:25:34,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:25:34,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:25:34,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:25:34,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:25:34,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:25:34,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:25:34,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:25:34,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:25:34,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:25:34,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:25:34,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:25:34,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:25:34,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:25:34,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:25:34,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:25:34,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:25:34,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:25:34,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:25:34,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:25:34,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:25:34,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:25:34,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:25:34,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:25:34,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:25:34,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:25:34,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:25:34,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:25:34,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:25:34,661 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:25:34,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:25:34,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:25:34,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:25:34,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:25:34,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:25:34,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:25:34,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:25:34,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:25:34,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:25:34,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:25:34,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:25:34,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:25:34,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:25:34,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:25:34,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:25:34,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:25:34,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:25:34,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:25:34,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:25:34,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:25:35,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:25:35,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:25:35,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:25:35,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:25:35,138 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:25:35,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 14:25:35,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b57d1b705/4fb317ac098c4ba18aca4d2315c60a55/FLAGc01652ef1 [2020-09-25 14:25:35,849 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:25:35,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-25 14:25:35,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b57d1b705/4fb317ac098c4ba18aca4d2315c60a55/FLAGc01652ef1 [2020-09-25 14:25:36,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b57d1b705/4fb317ac098c4ba18aca4d2315c60a55 [2020-09-25 14:25:36,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:25:36,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:25:36,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:25:36,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:25:36,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:25:36,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:36,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9949ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36, skipping insertion in model container [2020-09-25 14:25:36,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:36,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:25:36,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:25:36,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:25:36,798 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:25:36,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:25:36,948 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:25:36,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36 WrapperNode [2020-09-25 14:25:36,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:25:36,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:25:36,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:25:36,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:25:36,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:36,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:36,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:36,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:37,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:37,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:37,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... [2020-09-25 14:25:37,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:25:37,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:25:37,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:25:37,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:25:37,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:25:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:25:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:25:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:25:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:25:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:25:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:25:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:25:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:25:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:25:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:25:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:25:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:25:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:25:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:25:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:25:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:25:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:25:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:25:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:25:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:25:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:25:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:25:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:25:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:25:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:25:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:25:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:25:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:25:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:25:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:25:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:25:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:25:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:25:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:25:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:25:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:25:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:25:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:25:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:25:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:25:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:25:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:25:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:25:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:25:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:25:38,400 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:25:38,400 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:25:38,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:25:38 BoogieIcfgContainer [2020-09-25 14:25:38,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:25:38,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:25:38,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:25:38,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:25:38,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:25:36" (1/3) ... [2020-09-25 14:25:38,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fe517f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:25:38, skipping insertion in model container [2020-09-25 14:25:38,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:25:36" (2/3) ... [2020-09-25 14:25:38,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fe517f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:25:38, skipping insertion in model container [2020-09-25 14:25:38,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:25:38" (3/3) ... [2020-09-25 14:25:38,419 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-25 14:25:38,433 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:25:38,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:25:38,471 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:25:38,509 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:25:38,509 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:25:38,510 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:25:38,510 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:25:38,510 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:25:38,510 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:25:38,510 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:25:38,511 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:25:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 14:25:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:25:38,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:38,565 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:25:38,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:38,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:38,574 INFO L82 PathProgramCache]: Analyzing trace with hash 138985992, now seen corresponding path program 1 times [2020-09-25 14:25:38,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:38,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403588342] [2020-09-25 14:25:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:39,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:39,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:41,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 14:25:44,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:25:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-09-25 14:25:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 14:25:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 14:25:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 14:25:44,475 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:25:44,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:44,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:25:44,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:44,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-25 14:25:44,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 14:25:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:25:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:44,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:44,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:44,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:25:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:44,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:44,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:25:44,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:25:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:44,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:44,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:25:44,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:44,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:25:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:44,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:44,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:25:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:45,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:45,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:45,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:25:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:25:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:45,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:25:45,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:45,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:45,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:45,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:25:45,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:45,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:45,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:45,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:45,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:45,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:45,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 14:25:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:45,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:45,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:25:45,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:45,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:45,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:45,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:45,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 14:25:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:45,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:45,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:45,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:45,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:45,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:45,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:45,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:25:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:25:45,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403588342] [2020-09-25 14:25:45,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:25:45,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:25:45,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445326979] [2020-09-25 14:25:45,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:25:45,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:25:45,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:25:45,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:25:45,162 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 5 states. [2020-09-25 14:25:45,800 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:25:46,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:25:46,867 INFO L93 Difference]: Finished difference Result 483 states and 562 transitions. [2020-09-25 14:25:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:25:46,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 14:25:46,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:25:46,891 INFO L225 Difference]: With dead ends: 483 [2020-09-25 14:25:46,891 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 14:25:46,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:25:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 14:25:47,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-25 14:25:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-25 14:25:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-25 14:25:47,009 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 160 [2020-09-25 14:25:47,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:25:47,011 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-25 14:25:47,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:25:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-25 14:25:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 14:25:47,017 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:47,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:25:47,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:25:47,018 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:47,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:47,019 INFO L82 PathProgramCache]: Analyzing trace with hash 604711629, now seen corresponding path program 1 times [2020-09-25 14:25:47,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:47,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790353026] [2020-09-25 14:25:47,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:47,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:47,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-25 14:25:52,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:25:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-25 14:25:52,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:25:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:25:52,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-25 14:25:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,493 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:25:52,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:25:52,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 14:25:52,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:25:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:25:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:52,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:52,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:52,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:25:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:52,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:52,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:52,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:25:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:52,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:25:52,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:25:52,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:25:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:25:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:25:52,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:52,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:25:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:25:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:25:52,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:25:52,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:25:52,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:25:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:52,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:25:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:25:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:25:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:25:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:25:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:25:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:25:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:25:52,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:25:52,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:25:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:25:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:25:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 14:25:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:52,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 14:25:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:52,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:25:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:25:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:25:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:25:52,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:25:52,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:25:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:25:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:25:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:25:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:25:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:25:52,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790353026] [2020-09-25 14:25:52,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:25:52,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:25:52,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242545340] [2020-09-25 14:25:52,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:25:52,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:25:52,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:25:52,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:25:52,982 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 8 states. [2020-09-25 14:25:53,587 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:25:55,637 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:25:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:25:56,269 INFO L93 Difference]: Finished difference Result 614 states and 721 transitions. [2020-09-25 14:25:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 14:25:56,270 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-09-25 14:25:56,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:25:56,276 INFO L225 Difference]: With dead ends: 614 [2020-09-25 14:25:56,277 INFO L226 Difference]: Without dead ends: 467 [2020-09-25 14:25:56,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:25:56,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-25 14:25:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 392. [2020-09-25 14:25:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-25 14:25:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 436 transitions. [2020-09-25 14:25:56,348 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 436 transitions. Word has length 169 [2020-09-25 14:25:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:25:56,349 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 436 transitions. [2020-09-25 14:25:56,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:25:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 436 transitions. [2020-09-25 14:25:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-25 14:25:56,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:25:56,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:25:56,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:25:56,355 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:25:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:25:56,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1414076529, now seen corresponding path program 1 times [2020-09-25 14:25:56,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:25:56,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825078859] [2020-09-25 14:25:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:25:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:25:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:56,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:25:59,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:01,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:01,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 14:26:01,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:26:01,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 14:26:01,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:01,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:26:01,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:26:01,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-25 14:26:01,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:01,795 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:01,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:01,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 14:26:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:26:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:02,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:02,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:02,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:02,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:02,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:02,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:02,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:02,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:02,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:02,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:02,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:02,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:02,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:26:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:26:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:02,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:02,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:26:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:02,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:26:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:02,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:26:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:26:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 785 [2020-09-25 14:26:03,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:26:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 14:26:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:03,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 14:26:03,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:26:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:03,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:03,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:03,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:26:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 14:26:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:03,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:03,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:03,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:26:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 14:26:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:03,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:03,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:03,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:03,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 14:26:03,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825078859] [2020-09-25 14:26:03,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:03,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:26:03,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918488027] [2020-09-25 14:26:03,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:26:03,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:03,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:26:03,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:26:03,348 INFO L87 Difference]: Start difference. First operand 392 states and 436 transitions. Second operand 11 states. [2020-09-25 14:26:03,822 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:26:04,769 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 14:26:05,403 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:26:06,776 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:26:07,090 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:26:07,469 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:26:08,007 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:26:08,333 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:26:08,611 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:26:09,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:09,169 INFO L93 Difference]: Finished difference Result 743 states and 869 transitions. [2020-09-25 14:26:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 14:26:09,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 202 [2020-09-25 14:26:09,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:09,176 INFO L225 Difference]: With dead ends: 743 [2020-09-25 14:26:09,176 INFO L226 Difference]: Without dead ends: 466 [2020-09-25 14:26:09,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2020-09-25 14:26:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-25 14:26:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 391. [2020-09-25 14:26:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 14:26:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 433 transitions. [2020-09-25 14:26:09,231 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 433 transitions. Word has length 202 [2020-09-25 14:26:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:09,232 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 433 transitions. [2020-09-25 14:26:09,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:26:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 433 transitions. [2020-09-25 14:26:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 14:26:09,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:09,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:09,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:26:09,236 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:09,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:09,237 INFO L82 PathProgramCache]: Analyzing trace with hash 551895604, now seen corresponding path program 1 times [2020-09-25 14:26:09,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:09,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296796483] [2020-09-25 14:26:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:09,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:09,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:10,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:10,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 14:26:10,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:26:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1700 [2020-09-25 14:26:10,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:10,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 14:26:10,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:11,314 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:11,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:11,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 14:26:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:11,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:11,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:11,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:11,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:11,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:11,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:11,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:11,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:11,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:11,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 14:26:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:11,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:11,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:11,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:11,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:26:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:26:11,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 14:26:11,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 14:26:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:11,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 14:26:11,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:26:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:26:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:26:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:26:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:26:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:26:11,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:26:11,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:26:11,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:26:11,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:11,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:11,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:26:11,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:26:11,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:26:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:11,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:11,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 14:26:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:11,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:11,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:11,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 14:26:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:11,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:11,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:11,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:11,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:11,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:11,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:11,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296796483] [2020-09-25 14:26:11,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:11,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:26:11,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060319726] [2020-09-25 14:26:11,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:26:11,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:11,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:26:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:26:11,958 INFO L87 Difference]: Start difference. First operand 391 states and 433 transitions. Second operand 9 states. [2020-09-25 14:26:13,439 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:13,787 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:14,128 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:14,449 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:26:14,748 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:26:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:15,739 INFO L93 Difference]: Finished difference Result 747 states and 883 transitions. [2020-09-25 14:26:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:26:15,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-25 14:26:15,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:15,744 INFO L225 Difference]: With dead ends: 747 [2020-09-25 14:26:15,745 INFO L226 Difference]: Without dead ends: 471 [2020-09-25 14:26:15,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 14:26:15,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-25 14:26:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 397. [2020-09-25 14:26:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 14:26:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 439 transitions. [2020-09-25 14:26:15,798 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 439 transitions. Word has length 216 [2020-09-25 14:26:15,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:15,798 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 439 transitions. [2020-09-25 14:26:15,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:26:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 439 transitions. [2020-09-25 14:26:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 14:26:15,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:15,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:15,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:26:15,803 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:15,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:15,803 INFO L82 PathProgramCache]: Analyzing trace with hash 871099713, now seen corresponding path program 1 times [2020-09-25 14:26:15,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:15,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545702366] [2020-09-25 14:26:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:16,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:16,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 14:26:16,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:16,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-09-25 14:26:16,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:16,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-25 14:26:16,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:16,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:16,921 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:26:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:26:17,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 14:26:17,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:26:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:26:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:17,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:17,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:26:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:17,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:26:17,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:26:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:26:17,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:26:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:17,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:26:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 14:26:17,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:26:17,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:26:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:17,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:26:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:26:17,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 14:26:17,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:26:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 14:26:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:26:17,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:17,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:26:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:26:17,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 14:26:17,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:26:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:26:17,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:26:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:26:17,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:26:17,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:26:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:26:17,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 14:26:17,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:26:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:26:17,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:26:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:17,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:26:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:26:17,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:26:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:26:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:26:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 14:26:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 14:26:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:17,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:26:17,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:26:17,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:26:17,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:26:17,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:26:17,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:26:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:26:17,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:26:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:26:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:26:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 14:26:17,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545702366] [2020-09-25 14:26:17,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:26:17,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 14:26:17,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593335620] [2020-09-25 14:26:17,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 14:26:17,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:26:17,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 14:26:17,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:26:17,569 INFO L87 Difference]: Start difference. First operand 397 states and 439 transitions. Second operand 10 states. [2020-09-25 14:26:19,091 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:26:19,428 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:26:19,787 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 14:26:20,114 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:26:20,455 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:26:20,768 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:26:21,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:26:21,713 INFO L93 Difference]: Finished difference Result 758 states and 893 transitions. [2020-09-25 14:26:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:26:21,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 225 [2020-09-25 14:26:21,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:26:21,718 INFO L225 Difference]: With dead ends: 758 [2020-09-25 14:26:21,718 INFO L226 Difference]: Without dead ends: 476 [2020-09-25 14:26:21,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:26:21,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-09-25 14:26:21,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 405. [2020-09-25 14:26:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 14:26:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 447 transitions. [2020-09-25 14:26:21,797 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 447 transitions. Word has length 225 [2020-09-25 14:26:21,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:26:21,799 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 447 transitions. [2020-09-25 14:26:21,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 14:26:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 447 transitions. [2020-09-25 14:26:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 14:26:21,804 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:26:21,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:26:21,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:26:21,805 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:26:21,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:26:21,806 INFO L82 PathProgramCache]: Analyzing trace with hash -68576143, now seen corresponding path program 1 times [2020-09-25 14:26:21,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:26:21,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870689470] [2020-09-25 14:26:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:26:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:26:21,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:26:22,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking...