/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=SHALLOWEST --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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:41:19,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:41:19,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:41:19,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:41:19,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:41:19,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:41:19,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:41:19,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:41:19,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:41:19,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:41:19,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:41:19,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:41:19,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:41:19,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:41:19,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:41:19,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:41:19,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:41:19,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:41:19,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:41:19,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:41:19,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:41:19,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:41:19,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:41:19,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:41:19,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:41:19,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:41:19,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:41:19,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:41:19,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:41:19,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:41:19,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:41:19,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:41:19,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:41:19,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:41:19,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:41:19,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:41:19,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:41:19,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:41:19,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:41:19,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:41:19,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:41:19,204 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 [2020-09-24 23:41:19,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:41:19,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:41:19,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:41:19,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:41:19,245 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:41:19,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:41:19,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:41:19,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:41:19,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:41:19,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:41:19,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:41:19,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:41:19,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:41:19,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:41:19,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:41:19,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:41:19,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:41:19,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:41:19,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:41:19,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:41:19,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:41:19,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:41:19,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:41:19,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:41:19,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:41:19,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:41:19,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:41:19,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:41:19,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:41:19,250 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:41:19,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:41:19,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:41:19,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:41:19,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:41:19,703 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:41:19,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-24 23:41:19,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f99c0d1c/42e697bc0c4e408c93ed38b9d8dea61a/FLAG1cb8cb56b [2020-09-24 23:41:20,360 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:41:20,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-24 23:41:20,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f99c0d1c/42e697bc0c4e408c93ed38b9d8dea61a/FLAG1cb8cb56b [2020-09-24 23:41:20,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f99c0d1c/42e697bc0c4e408c93ed38b9d8dea61a [2020-09-24 23:41:20,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:41:20,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:41:20,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:41:20,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:41:20,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:41:20,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:41:20" (1/1) ... [2020-09-24 23:41:20,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:20, skipping insertion in model container [2020-09-24 23:41:20,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:41:20" (1/1) ... [2020-09-24 23:41:20,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:41:20,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:41:21,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:41:21,235 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:41:21,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:41:21,355 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:41:21,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21 WrapperNode [2020-09-24 23:41:21,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:41:21,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:41:21,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:41:21,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:41:21,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (1/1) ... [2020-09-24 23:41:21,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:41:21,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:41:21,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:41:21,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:41:21,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (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 [2020-09-24 23:41:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:41:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:41:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:41:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:41:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:41:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:41:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:41:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:41:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:41:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:41:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:41:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:41:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:41:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:41:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:41:21,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:41:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:41:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:41:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:41:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:41:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:41:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:41:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:41:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:41:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:41:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:41:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:41:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:41:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:41:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:41:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:41:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:41:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:41:22,764 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:41:22,764 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:41:22,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:41:22 BoogieIcfgContainer [2020-09-24 23:41:22,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:41:22,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:41:22,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:41:22,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:41:22,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:41:20" (1/3) ... [2020-09-24 23:41:22,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5349e131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:41:22, skipping insertion in model container [2020-09-24 23:41:22,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:21" (2/3) ... [2020-09-24 23:41:22,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5349e131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:41:22, skipping insertion in model container [2020-09-24 23:41:22,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:41:22" (3/3) ... [2020-09-24 23:41:22,781 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-09-24 23:41:22,792 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:41:22,803 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:41:22,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:41:22,851 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:41:22,851 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:41:22,851 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:41:22,851 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:41:22,851 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:41:22,851 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:41:22,852 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:41:22,852 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:41:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-24 23:41:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 23:41:22,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:22,896 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] [2020-09-24 23:41:22,896 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:22,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:22,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1855283270, now seen corresponding path program 1 times [2020-09-24 23:41:22,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:22,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936641338] [2020-09-24 23:41:22,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:23,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:26,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:28,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:28,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 23:41:28,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:41:28,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 23:41:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:41:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:41:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-24 23:41:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:41:28,749 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:28,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:29,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-24 23:41:29,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:41:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:29,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:29,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:29,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:29,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:29,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:29,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:29,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:29,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:29,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:41:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:29,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:41:29,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:41:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:29,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 23:41:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:29,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:29,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:29,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:41:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:29,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:29,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:29,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:41:29,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:29,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 23:41:29,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936641338] [2020-09-24 23:41:29,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:29,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:41:29,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282078912] [2020-09-24 23:41:29,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:41:29,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:29,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:41:29,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:41:29,450 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 9 states. [2020-09-24 23:41:30,022 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:30,783 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:31,075 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:41:32,316 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:32,601 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:33,003 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:33,488 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:33,804 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:41:34,095 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:34,480 INFO L93 Difference]: Finished difference Result 538 states and 652 transitions. [2020-09-24 23:41:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:41:34,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 23:41:34,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:34,518 INFO L225 Difference]: With dead ends: 538 [2020-09-24 23:41:34,519 INFO L226 Difference]: Without dead ends: 371 [2020-09-24 23:41:34,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:41:34,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-24 23:41:34,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 325. [2020-09-24 23:41:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-09-24 23:41:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 364 transitions. [2020-09-24 23:41:34,651 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 364 transitions. Word has length 160 [2020-09-24 23:41:34,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:34,652 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 364 transitions. [2020-09-24 23:41:34,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:41:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2020-09-24 23:41:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 23:41:34,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:34,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:41:34,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:41:34,660 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:34,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:34,660 INFO L82 PathProgramCache]: Analyzing trace with hash -476521064, now seen corresponding path program 1 times [2020-09-24 23:41:34,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:34,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742843481] [2020-09-24 23:41:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:34,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:39,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:39,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 23:41:39,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:41:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-24 23:41:39,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 23:41:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 23:41:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,015 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:40,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 23:41:40,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 23:41:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:40,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:40,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:40,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:40,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:41:40,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:40,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:40,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:40,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:41:40,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:40,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:40,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:40,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:41:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 23:41:40,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:41:40,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 23:41:40,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 23:41:40,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:40,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:40,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:40,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 23:41:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 23:41:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:41:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 23:41:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 23:41:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:40,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:40,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:41:40,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:40,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 23:41:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:40,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:41:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 23:41:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:41:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:41:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 23:41:40,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:41:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:41:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:40,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:41:40,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:41:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:40,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:40,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:41:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 23:41:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 23:41:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:40,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:40,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:40,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 23:41:40,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742843481] [2020-09-24 23:41:40,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:40,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 23:41:40,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176655362] [2020-09-24 23:41:40,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 23:41:40,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:40,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 23:41:40,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 23:41:40,763 INFO L87 Difference]: Start difference. First operand 325 states and 364 transitions. Second operand 12 states. [2020-09-24 23:41:41,324 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:42,395 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:42,724 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 23:41:43,075 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:43,405 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:41:43,716 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:44,457 INFO L93 Difference]: Finished difference Result 633 states and 779 transitions. [2020-09-24 23:41:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:41:44,463 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2020-09-24 23:41:44,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:44,473 INFO L225 Difference]: With dead ends: 633 [2020-09-24 23:41:44,473 INFO L226 Difference]: Without dead ends: 423 [2020-09-24 23:41:44,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-09-24 23:41:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-24 23:41:44,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 334. [2020-09-24 23:41:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-24 23:41:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 374 transitions. [2020-09-24 23:41:44,538 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 374 transitions. Word has length 230 [2020-09-24 23:41:44,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:44,539 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 374 transitions. [2020-09-24 23:41:44,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 23:41:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 374 transitions. [2020-09-24 23:41:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 23:41:44,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:44,544 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] [2020-09-24 23:41:44,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:41:44,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:44,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1698458806, now seen corresponding path program 1 times [2020-09-24 23:41:44,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:44,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100972483] [2020-09-24 23:41:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:44,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 23:41:45,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-09-24 23:41:45,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:41:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-24 23:41:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:41:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,772 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:45,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 23:41:45,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:45,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:45,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:45,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:41:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:45,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:45,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:45,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 23:41:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:45,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:46,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 23:41:46,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:41:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:41:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:41:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:46,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 23:41:46,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:41:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:46,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:46,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:46,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:46,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:46,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:41:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 23:41:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:46,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:46,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:46,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 23:41:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:46,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:46,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:46,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:46,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:41:46,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100972483] [2020-09-24 23:41:46,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:46,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:41:46,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148389720] [2020-09-24 23:41:46,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:41:46,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:46,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:41:46,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:41:46,278 INFO L87 Difference]: Start difference. First operand 334 states and 374 transitions. Second operand 10 states. [2020-09-24 23:41:47,650 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:47,953 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:48,253 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:41:48,550 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:48,870 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:49,159 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:49,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:49,873 INFO L93 Difference]: Finished difference Result 636 states and 761 transitions. [2020-09-24 23:41:49,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:41:49,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-09-24 23:41:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:49,878 INFO L225 Difference]: With dead ends: 636 [2020-09-24 23:41:49,878 INFO L226 Difference]: Without dead ends: 417 [2020-09-24 23:41:49,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 23:41:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-09-24 23:41:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 342. [2020-09-24 23:41:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-24 23:41:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 382 transitions. [2020-09-24 23:41:49,921 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 382 transitions. Word has length 203 [2020-09-24 23:41:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:49,922 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 382 transitions. [2020-09-24 23:41:49,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:41:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 382 transitions. [2020-09-24 23:41:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 23:41:49,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:49,926 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] [2020-09-24 23:41:49,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:41:49,927 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:49,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:49,927 INFO L82 PathProgramCache]: Analyzing trace with hash -674408025, now seen corresponding path program 1 times [2020-09-24 23:41:49,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:49,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298449190] [2020-09-24 23:41:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:51,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:51,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 23:41:51,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-09-24 23:41:51,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:41:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:41:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 23:41:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:51,630 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:51,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:51,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:51,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-24 23:41:51,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:41:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:51,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:52,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:41:52,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:52,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:41:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:52,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:52,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:41:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:52,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:52,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:41:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:52,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:41:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:52,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:52,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 23:41:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 23:41:52,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 23:41:52,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 23:41:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:41:52,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:41:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:52,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:52,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:52,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:41:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:52,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:52,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 23:41:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:52,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:52,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:52,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:52,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:52,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 23:41:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:52,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:52,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:52,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:52,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:41:52,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298449190] [2020-09-24 23:41:52,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:52,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 23:41:52,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941762324] [2020-09-24 23:41:52,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 23:41:52,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:52,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 23:41:52,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:41:52,341 INFO L87 Difference]: Start difference. First operand 342 states and 382 transitions. Second operand 7 states. [2020-09-24 23:41:53,098 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:54,205 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:56,311 INFO L93 Difference]: Finished difference Result 1004 states and 1279 transitions. [2020-09-24 23:41:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:41:56,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-24 23:41:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:56,317 INFO L225 Difference]: With dead ends: 1004 [2020-09-24 23:41:56,318 INFO L226 Difference]: Without dead ends: 760 [2020-09-24 23:41:56,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 23:41:56,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-24 23:41:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 637. [2020-09-24 23:41:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-09-24 23:41:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 744 transitions. [2020-09-24 23:41:56,399 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 744 transitions. Word has length 203 [2020-09-24 23:41:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:56,400 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 744 transitions. [2020-09-24 23:41:56,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 23:41:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 744 transitions. [2020-09-24 23:41:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-24 23:41:56,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:56,403 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] [2020-09-24 23:41:56,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:41:56,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:56,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1071578610, now seen corresponding path program 1 times [2020-09-24 23:41:56,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:56,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28316477] [2020-09-24 23:41:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:01,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 23:42:01,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 23:42:01,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:42:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 23:42:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-24 23:42:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:01,873 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:01,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:02,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-24 23:42:02,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 23:42:02,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:02,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:02,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:02,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:02,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:02,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:02,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:42:02,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:02,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:02,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:02,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:02,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:42:02,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:42:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:42:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:42:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:42:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:42:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:02,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:42:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 23:42:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:42:02,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:42:02,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 23:42:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:02,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:42:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:42:02,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:02,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:42:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:02,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 23:42:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:42:02,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 23:42:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:02,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:02,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:02,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:02,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:42:02,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:02,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:42:02,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28316477] [2020-09-24 23:42:02,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:02,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 23:42:02,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624774238] [2020-09-24 23:42:02,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 23:42:02,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:02,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 23:42:02,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-24 23:42:02,585 INFO L87 Difference]: Start difference. First operand 637 states and 744 transitions. Second operand 13 states. [2020-09-24 23:42:03,144 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:04,057 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:05,524 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:05,847 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:06,207 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:06,527 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:06,846 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:07,187 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:07,554 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:42:07,865 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:09,100 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:09,417 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:09,741 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191