/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:51:17,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:51:17,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:51:17,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:51:17,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:51:17,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:51:17,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:51:17,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:51:17,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:51:17,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:51:17,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:51:17,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:51:17,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:51:17,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:51:17,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:51:17,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:51:17,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:51:17,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:51:17,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:51:17,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:51:17,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:51:17,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:51:17,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:51:17,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:51:17,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:51:17,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:51:17,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:51:17,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:51:17,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:51:17,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:51:17,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:51:17,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:51:17,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:51:17,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:51:17,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:51:17,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:51:17,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:51:17,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:51:17,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:51:17,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:51:17,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:51:17,172 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 [2020-10-13 12:51:17,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:51:17,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:51:17,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:51:17,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:51:17,197 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:51:17,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:51:17,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:51:17,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:51:17,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:51:17,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:51:17,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:51:17,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:51:17,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:51:17,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:51:17,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:51:17,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:51:17,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:51:17,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:51:17,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:51:17,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:51:17,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:51:17,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:51:17,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:51:17,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:51:17,201 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:51:17,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:51:17,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:51:17,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:51:17,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:51:17,519 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:51:17,520 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-10-13 12:51:17,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833295de/caabfda36c354b78b9990a605d8c6f40/FLAGaea04e4f4 [2020-10-13 12:51:18,239 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:51:18,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-10-13 12:51:18,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833295de/caabfda36c354b78b9990a605d8c6f40/FLAGaea04e4f4 [2020-10-13 12:51:18,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e833295de/caabfda36c354b78b9990a605d8c6f40 [2020-10-13 12:51:18,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:51:18,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:51:18,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:51:18,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:51:18,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:51:18,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:18" (1/1) ... [2020-10-13 12:51:18,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:18, skipping insertion in model container [2020-10-13 12:51:18,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:18" (1/1) ... [2020-10-13 12:51:18,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:51:18,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:51:18,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:51:18,926 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:51:19,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:51:19,038 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:51:19,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19 WrapperNode [2020-10-13 12:51:19,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:51:19,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:51:19,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:51:19,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:51:19,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (1/1) ... [2020-10-13 12:51:19,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:51:19,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:51:19,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:51:19,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:51:19,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (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 [2020-10-13 12:51:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:51:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:51:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:51:19,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-13 12:51:19,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:51:19,207 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:51:19,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:51:19,209 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:51:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:51:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:51:19,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:51:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:51:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:51:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:51:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:51:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:51:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:51:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:51:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:51:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:51:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:51:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:51:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:51:20,399 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:51:20,400 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:51:20,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:20 BoogieIcfgContainer [2020-10-13 12:51:20,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:51:20,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:51:20,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:51:20,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:51:20,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:18" (1/3) ... [2020-10-13 12:51:20,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e0fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:20, skipping insertion in model container [2020-10-13 12:51:20,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:19" (2/3) ... [2020-10-13 12:51:20,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e0fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:20, skipping insertion in model container [2020-10-13 12:51:20,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:20" (3/3) ... [2020-10-13 12:51:20,414 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-10-13 12:51:20,425 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:51:20,434 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:51:20,449 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:51:20,475 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:51:20,475 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:51:20,476 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:51:20,476 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:51:20,476 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:51:20,476 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:51:20,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:51:20,477 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:51:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-10-13 12:51:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:51:20,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:20,513 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:20,514 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:20,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1951083148, now seen corresponding path program 1 times [2020-10-13 12:51:20,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:20,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461221451] [2020-10-13 12:51:20,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:21,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:22,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:22,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:51:25,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:51:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4334 [2020-10-13 12:51:25,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:51:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:51:25,557 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 12:51:25,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:25,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:25,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:51:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:25,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:25,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:51:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:25,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:51:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:25,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:25,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:25,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:25,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:25,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461221451] [2020-10-13 12:51:25,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:25,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:51:25,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813543712] [2020-10-13 12:51:25,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:51:25,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:25,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:51:25,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:51:25,740 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 4 states. [2020-10-13 12:51:26,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:26,871 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2020-10-13 12:51:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:51:26,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:51:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:26,895 INFO L225 Difference]: With dead ends: 308 [2020-10-13 12:51:26,895 INFO L226 Difference]: Without dead ends: 170 [2020-10-13 12:51:26,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:51:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-13 12:51:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 139. [2020-10-13 12:51:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-13 12:51:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2020-10-13 12:51:27,072 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 161 transitions. Word has length 59 [2020-10-13 12:51:27,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:27,073 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 161 transitions. [2020-10-13 12:51:27,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:51:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 161 transitions. [2020-10-13 12:51:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:51:27,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:27,087 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:27,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:51:27,088 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:27,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:27,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1220523940, now seen corresponding path program 1 times [2020-10-13 12:51:27,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:27,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33306939] [2020-10-13 12:51:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:27,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:27,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:51:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:51:32,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 12:51:32,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:51:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:51:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,447 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 12:51:32,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:51:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:51:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:51:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:32,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33306939] [2020-10-13 12:51:32,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:32,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:51:32,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744956511] [2020-10-13 12:51:32,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:51:32,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:32,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:51:32,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:51:32,599 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. Second operand 5 states. [2020-10-13 12:51:33,165 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:34,020 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2020-10-13 12:51:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:51:34,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:51:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:34,024 INFO L225 Difference]: With dead ends: 244 [2020-10-13 12:51:34,024 INFO L226 Difference]: Without dead ends: 160 [2020-10-13 12:51:34,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:51:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-13 12:51:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 130. [2020-10-13 12:51:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-13 12:51:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2020-10-13 12:51:34,103 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 60 [2020-10-13 12:51:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:34,103 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2020-10-13 12:51:34,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:51:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2020-10-13 12:51:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 12:51:34,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:34,107 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:34,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:51:34,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:34,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1125066517, now seen corresponding path program 1 times [2020-10-13 12:51:34,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:34,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781394676] [2020-10-13 12:51:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:34,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:34,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:34,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:51:37,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:51:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3009 [2020-10-13 12:51:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 12:51:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:51:37,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,520 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:51:37,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:37,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:37,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:37,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:37,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:37,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 12:51:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:37,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:37,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 12:51:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:37,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:37,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:37,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:37,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:37,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:51:37,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781394676] [2020-10-13 12:51:37,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:37,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:37,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892281029] [2020-10-13 12:51:37,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:37,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:37,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:37,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:37,648 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 8 states. [2020-10-13 12:51:38,049 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:38,712 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:51:39,639 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:39,925 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:40,445 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:40,671 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:40,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:40,916 INFO L93 Difference]: Finished difference Result 320 states and 401 transitions. [2020-10-13 12:51:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 12:51:40,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-13 12:51:40,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:40,924 INFO L225 Difference]: With dead ends: 320 [2020-10-13 12:51:40,924 INFO L226 Difference]: Without dead ends: 218 [2020-10-13 12:51:40,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:51:40,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-13 12:51:41,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 186. [2020-10-13 12:51:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-13 12:51:41,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 218 transitions. [2020-10-13 12:51:41,004 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 218 transitions. Word has length 64 [2020-10-13 12:51:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:41,006 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 218 transitions. [2020-10-13 12:51:41,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 218 transitions. [2020-10-13 12:51:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-13 12:51:41,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:41,011 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:41,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:51:41,011 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:41,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:41,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1329110427, now seen corresponding path program 1 times [2020-10-13 12:51:41,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:41,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393240192] [2020-10-13 12:51:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4619 [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 12:51:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:45,958 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:45,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:45,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:45,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:45,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:51:45,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:45,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:46,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:46,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:46,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:46,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:46,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:51:46,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:51:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 12:51:46,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:51:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:51:46,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:46,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:51:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:51:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:51:46,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:51:46,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:51:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:51:46,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:51:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:46,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:51:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 12:51:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:46,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393240192] [2020-10-13 12:51:46,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:46,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:46,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971343836] [2020-10-13 12:51:46,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:46,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:46,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:46,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:46,272 INFO L87 Difference]: Start difference. First operand 186 states and 218 transitions. Second operand 8 states. [2020-10-13 12:51:47,216 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:47,498 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:47,746 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:48,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:48,364 INFO L93 Difference]: Finished difference Result 397 states and 505 transitions. [2020-10-13 12:51:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:51:48,365 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-10-13 12:51:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:48,368 INFO L225 Difference]: With dead ends: 397 [2020-10-13 12:51:48,368 INFO L226 Difference]: Without dead ends: 239 [2020-10-13 12:51:48,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:51:48,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-10-13 12:51:48,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 196. [2020-10-13 12:51:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-13 12:51:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 229 transitions. [2020-10-13 12:51:48,411 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 229 transitions. Word has length 102 [2020-10-13 12:51:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:48,411 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 229 transitions. [2020-10-13 12:51:48,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 229 transitions. [2020-10-13 12:51:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-13 12:51:48,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:48,413 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:48,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:51:48,414 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:48,414 INFO L82 PathProgramCache]: Analyzing trace with hash -720277415, now seen corresponding path program 1 times [2020-10-13 12:51:48,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:48,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939652430] [2020-10-13 12:51:48,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:48,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:48,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 12:51:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-13 12:51:48,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:51:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 12:51:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,251 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:49,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 12:51:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:51:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:51:49,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:51:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:51:49,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:51:49,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:51:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 12:51:49,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:49,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:51:49,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:51:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:49,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:49,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:51:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:51:49,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:51:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:51:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:51:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:51:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 12:51:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:49,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939652430] [2020-10-13 12:51:49,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:49,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:51:49,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797897755] [2020-10-13 12:51:49,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:51:49,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:49,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:51:49,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:51:49,599 INFO L87 Difference]: Start difference. First operand 196 states and 229 transitions. Second operand 7 states. [2020-10-13 12:51:50,013 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:50,576 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:52,826 INFO L93 Difference]: Finished difference Result 714 states and 933 transitions. [2020-10-13 12:51:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 12:51:52,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-10-13 12:51:52,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:52,833 INFO L225 Difference]: With dead ends: 714 [2020-10-13 12:51:52,833 INFO L226 Difference]: Without dead ends: 546 [2020-10-13 12:51:52,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:51:52,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-10-13 12:51:52,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 486. [2020-10-13 12:51:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-13 12:51:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 589 transitions. [2020-10-13 12:51:52,921 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 589 transitions. Word has length 102 [2020-10-13 12:51:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:52,922 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 589 transitions. [2020-10-13 12:51:52,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:51:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 589 transitions. [2020-10-13 12:51:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-13 12:51:52,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:52,924 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:52,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:51:52,925 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:52,925 INFO L82 PathProgramCache]: Analyzing trace with hash 359529404, now seen corresponding path program 1 times [2020-10-13 12:51:52,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:52,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802303751] [2020-10-13 12:51:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:52,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 12:51:53,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-13 12:51:53,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 12:51:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:51:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,502 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:51:53,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:53,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:53,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:53,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:53,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:53,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:51:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:51:53,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:51:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:51:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:53,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:51:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:51:53,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:53,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:51:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:51:53,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:53,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:51:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 12:51:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:53,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:53,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:53,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802303751] [2020-10-13 12:51:53,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:53,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:51:53,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126808256] [2020-10-13 12:51:53,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:51:53,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:53,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:51:53,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:51:53,720 INFO L87 Difference]: Start difference. First operand 486 states and 589 transitions. Second operand 9 states. [2020-10-13 12:51:54,805 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:55,074 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:51:55,315 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:55,556 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:56,111 INFO L93 Difference]: Finished difference Result 1012 states and 1286 transitions. [2020-10-13 12:51:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:51:56,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-10-13 12:51:56,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:56,119 INFO L225 Difference]: With dead ends: 1012 [2020-10-13 12:51:56,119 INFO L226 Difference]: Without dead ends: 554 [2020-10-13 12:51:56,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:51:56,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-10-13 12:51:56,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 496. [2020-10-13 12:51:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-13 12:51:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 599 transitions. [2020-10-13 12:51:56,204 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 599 transitions. Word has length 102 [2020-10-13 12:51:56,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:56,204 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 599 transitions. [2020-10-13 12:51:56,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:51:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 599 transitions. [2020-10-13 12:51:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-13 12:51:56,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:56,206 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:56,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:51:56,207 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:56,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1689858438, now seen corresponding path program 1 times [2020-10-13 12:51:56,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:56,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414446044] [2020-10-13 12:51:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 12:51:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,662 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:56,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:56,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:56,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:56,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:56,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:56,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:51:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:51:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:51:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:51:56,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:51:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:56,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:56,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:51:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:51:56,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:56,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:51:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:51:56,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:56,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:51:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 12:51:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:56,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:56,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:56,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:56,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414446044] [2020-10-13 12:51:56,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:56,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:56,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577950046] [2020-10-13 12:51:56,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:56,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:56,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:56,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:56,918 INFO L87 Difference]: Start difference. First operand 496 states and 599 transitions. Second operand 8 states. [2020-10-13 12:51:58,173 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:58,414 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:58,660 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:59,371 INFO L93 Difference]: Finished difference Result 892 states and 1119 transitions. [2020-10-13 12:51:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:51:59,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-10-13 12:51:59,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:59,374 INFO L225 Difference]: With dead ends: 892 [2020-10-13 12:51:59,374 INFO L226 Difference]: Without dead ends: 424 [2020-10-13 12:51:59,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:51:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-13 12:51:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 385. [2020-10-13 12:51:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-10-13 12:51:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 459 transitions. [2020-10-13 12:51:59,481 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 459 transitions. Word has length 102 [2020-10-13 12:51:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:59,482 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 459 transitions. [2020-10-13 12:51:59,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 459 transitions. [2020-10-13 12:51:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-13 12:51:59,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:59,485 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:59,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:51:59,485 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:59,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:59,486 INFO L82 PathProgramCache]: Analyzing trace with hash -764679949, now seen corresponding path program 1 times [2020-10-13 12:51:59,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:59,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579711639] [2020-10-13 12:51:59,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 12:52:01,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:52:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1567 [2020-10-13 12:52:01,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:52:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 12:52:01,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-13 12:52:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:01,468 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 12:52:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:01,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:01,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:01,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:52:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:52:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:52:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:01,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:01,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:52:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:52:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:52:01,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 12:52:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:52:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 12:52:01,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:52:01,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:01,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:52:01,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:52:01,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:01,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:52:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:52:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:52:01,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:52:01,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 12:52:01,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:01,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 12:52:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 12:52:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:01,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:52:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:52:01,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579711639] [2020-10-13 12:52:01,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:52:01,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:52:01,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865281419] [2020-10-13 12:52:01,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:52:01,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:01,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:52:01,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:52:01,735 INFO L87 Difference]: Start difference. First operand 385 states and 459 transitions. Second operand 12 states. [2020-10-13 12:52:02,321 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:03,211 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:52:03,519 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:52:03,831 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:04,634 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:04,960 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:05,231 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:06,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:06,390 INFO L93 Difference]: Finished difference Result 780 states and 991 transitions. [2020-10-13 12:52:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 12:52:06,395 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-13 12:52:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:06,399 INFO L225 Difference]: With dead ends: 780 [2020-10-13 12:52:06,399 INFO L226 Difference]: Without dead ends: 493 [2020-10-13 12:52:06,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2020-10-13 12:52:06,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-10-13 12:52:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 436. [2020-10-13 12:52:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-13 12:52:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 525 transitions. [2020-10-13 12:52:06,474 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 525 transitions. Word has length 106 [2020-10-13 12:52:06,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:06,475 INFO L479 AbstractCegarLoop]: Abstraction has 436 states and 525 transitions. [2020-10-13 12:52:06,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:52:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 525 transitions. [2020-10-13 12:52:06,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-13 12:52:06,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:52:06,478 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 12:52:06,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:52:06,479 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:52:06,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:52:06,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1273863273, now seen corresponding path program 1 times [2020-10-13 12:52:06,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:52:06,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213521265] [2020-10-13 12:52:06,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:52:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:07,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:08,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 12:52:11,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:52:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 12:52:11,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:52:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-10-13 12:52:11,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:52:11,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:11,868 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:11,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:11,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:52:11,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:52:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:11,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:11,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:52:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:11,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:52:11,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:11,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:52:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:52:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:52:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:52:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:11,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:11,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:11,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:11,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:11,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:11,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:11,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:11,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:11,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:52:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 12:52:12,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:12,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:12,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:52:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:52:12,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:52:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:52:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-13 12:52:12,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:52:12,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:12,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:52:12,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:52:12,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:52:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 12:52:12,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:52:12,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:52:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:52:12,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:52:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:52:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:52:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:52:12,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 12:52:12,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:52:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 12:52:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:52:12,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:52:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:52:12,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:52:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:52:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:52:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:52:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:52:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:52:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:52:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:52:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 12:52:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:12,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 12:52:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:52:12,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:52:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 12:52:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:52:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:52:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:52:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:52:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:52:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:52:12,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:52:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:52:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:52:12,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:52:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:52:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-13 12:52:12,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213521265] [2020-10-13 12:52:12,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:52:12,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 12:52:12,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966963833] [2020-10-13 12:52:12,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 12:52:12,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:52:12,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 12:52:12,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:52:12,352 INFO L87 Difference]: Start difference. First operand 436 states and 525 transitions. Second operand 13 states. [2020-10-13 12:52:12,904 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:52:13,648 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:13,961 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:52:14,405 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:14,698 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:14,968 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:15,703 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:16,261 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:52:16,711 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:17,005 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:17,263 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:17,793 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:52:18,031 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:52:18,293 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:52:18,538 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:52:18,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:52:18,994 INFO L93 Difference]: Finished difference Result 888 states and 1122 transitions. [2020-10-13 12:52:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 12:52:18,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-13 12:52:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:52:18,996 INFO L225 Difference]: With dead ends: 888 [2020-10-13 12:52:18,996 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:52:18,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=423, Invalid=1217, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 12:52:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:52:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:52:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:52:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:52:19,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-10-13 12:52:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:52:19,001 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:52:19,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 12:52:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:52:19,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:52:19,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:52:19,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:52:19,949 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 218 [2020-10-13 12:52:20,660 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2020-10-13 12:52:22,220 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 215 [2020-10-13 12:52:22,435 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 215 [2020-10-13 12:52:22,846 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 223 [2020-10-13 12:52:23,055 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2020-10-13 12:52:23,527 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-10-13 12:52:23,701 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-13 12:52:23,857 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 23 [2020-10-13 12:52:24,264 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 33 [2020-10-13 12:52:24,429 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-13 12:52:24,620 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-13 12:52:24,772 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2020-10-13 12:52:25,266 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 23 [2020-10-13 12:52:25,660 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-13 12:52:25,851 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:26,030 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:26,565 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-10-13 12:52:26,727 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:26,891 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-13 12:52:27,716 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2020-10-13 12:52:27,894 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-10-13 12:52:28,708 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 23 [2020-10-13 12:52:29,275 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 28 [2020-10-13 12:52:29,454 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2020-10-13 12:52:29,637 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-13 12:52:30,463 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2020-10-13 12:52:31,298 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 20 [2020-10-13 12:52:31,479 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-13 12:52:31,776 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-13 12:52:32,111 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2020-10-13 12:52:32,292 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:32,477 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:32,642 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 14 [2020-10-13 12:52:32,841 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 7 [2020-10-13 12:52:33,022 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-10-13 12:52:33,200 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:33,604 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 32 [2020-10-13 12:52:33,791 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-10-13 12:52:34,186 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 32 [2020-10-13 12:52:34,562 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-10-13 12:52:35,036 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-10-13 12:52:35,199 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2020-10-13 12:52:35,797 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 33 [2020-10-13 12:52:35,974 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:36,828 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 26 [2020-10-13 12:52:37,357 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-13 12:52:37,533 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-10-13 12:52:37,754 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-13 12:52:37,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-13 12:52:37,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:52:37,761 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-13 12:52:37,761 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 940 946) the Hoare annotation is: true [2020-10-13 12:52:37,761 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 940 946) no Hoare annotation was computed. [2020-10-13 12:52:37,761 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 947 955) no Hoare annotation was computed. [2020-10-13 12:52:37,761 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 947 955) the Hoare annotation is: true [2020-10-13 12:52:37,761 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 947 955) no Hoare annotation was computed. [2020-10-13 12:52:37,762 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 874 881) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-13 12:52:37,762 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 874 881) no Hoare annotation was computed. [2020-10-13 12:52:37,762 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 874 881) no Hoare annotation was computed. [2020-10-13 12:52:37,762 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 882 891) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-10-13 12:52:37,762 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 882 891) no Hoare annotation was computed. [2020-10-13 12:52:37,762 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-13 12:52:37,763 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 882 891) no Hoare annotation was computed. [2020-10-13 12:52:37,763 INFO L268 CegarLoopResult]: For program point L898-1(line 898) no Hoare annotation was computed. [2020-10-13 12:52:37,763 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 892 920) the Hoare annotation is: true [2020-10-13 12:52:37,763 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 892 920) no Hoare annotation was computed. [2020-10-13 12:52:37,763 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:52:37,763 INFO L268 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2020-10-13 12:52:37,763 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 12:52:37,764 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:52:37,764 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-10-13 12:52:37,764 INFO L268 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2020-10-13 12:52:37,764 INFO L268 CegarLoopResult]: For program point L900-1(lines 892 920) no Hoare annotation was computed. [2020-10-13 12:52:37,764 INFO L271 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: true [2020-10-13 12:52:37,764 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,765 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-10-13 12:52:37,765 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,765 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,765 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-10-13 12:52:37,765 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-10-13 12:52:37,765 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-13 12:52:37,765 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,766 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,766 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,766 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-10-13 12:52:37,766 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-13 12:52:37,766 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 12:52:37,766 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-10-13 12:52:37,766 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-13 12:52:37,767 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 761 775) no Hoare annotation was computed. [2020-10-13 12:52:37,768 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (let ((.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse3) (or (not (= ~waterLevel~0 1)) .cse4))) [2020-10-13 12:52:37,769 INFO L268 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2020-10-13 12:52:37,769 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 761 775) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) .cse1))) [2020-10-13 12:52:37,769 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 761 775) no Hoare annotation was computed. [2020-10-13 12:52:37,769 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 697 705) no Hoare annotation was computed. [2020-10-13 12:52:37,769 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 697 705) the Hoare annotation is: true [2020-10-13 12:52:37,769 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 697 705) no Hoare annotation was computed. [2020-10-13 12:52:37,769 INFO L268 CegarLoopResult]: For program point L736(line 736) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 706 741) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 706 741) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 706 741) no Hoare annotation was computed. [2020-10-13 12:52:37,770 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 933 939) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 933 939) the Hoare annotation is: true [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:52:37,771 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:52:37,772 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:52:37,772 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,772 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) [2020-10-13 12:52:37,772 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-10-13 12:52:37,772 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-10-13 12:52:37,772 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 686 696) the Hoare annotation is: true [2020-10-13 12:52:37,772 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 686 696) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 686 696) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 678 685) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 678 685) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 678 685) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 857 870) no Hoare annotation was computed. [2020-10-13 12:52:37,773 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 857 870) the Hoare annotation is: true [2020-10-13 12:52:37,774 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 857 870) no Hoare annotation was computed. [2020-10-13 12:52:37,774 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5)) .cse0 .cse1))) [2020-10-13 12:52:37,774 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-10-13 12:52:37,774 INFO L268 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2020-10-13 12:52:37,774 INFO L264 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:37,774 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-10-13 12:52:37,774 INFO L268 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2020-10-13 12:52:37,774 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 651) no Hoare annotation was computed. [2020-10-13 12:52:37,775 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 627 651) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:52:37,775 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:37,775 INFO L268 CegarLoopResult]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2020-10-13 12:52:37,775 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2020-10-13 12:52:37,775 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2020-10-13 12:52:37,775 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:52:37,776 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 578) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:52:37,776 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-10-13 12:52:37,776 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-10-13 12:52:37,776 INFO L264 CegarLoopResult]: At program point L568(lines 523 570) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:52:37,776 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:52:37,776 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 578) no Hoare annotation was computed. [2020-10-13 12:52:37,776 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-10-13 12:52:37,776 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-10-13 12:52:37,777 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-10-13 12:52:37,777 INFO L264 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:37,777 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-10-13 12:52:37,777 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-10-13 12:52:37,777 INFO L264 CegarLoopResult]: At program point L559-1(lines 553 566) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-10-13 12:52:37,777 INFO L268 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2020-10-13 12:52:37,777 INFO L268 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 578) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:52:37,778 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 652 659) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 652 659) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 652 659) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 825 847) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 825 847) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 825 847) no Hoare annotation was computed. [2020-10-13 12:52:37,779 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-13 12:52:37,780 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 923 932) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 923 932) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 923 932) no Hoare annotation was computed. [2020-10-13 12:52:37,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,782 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:52:37,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,782 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:52:37,782 INFO L268 CegarLoopResult]: For program point L672-1(lines 661 677) no Hoare annotation was computed. [2020-10-13 12:52:37,782 INFO L268 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2020-10-13 12:52:37,783 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 661 677) no Hoare annotation was computed. [2020-10-13 12:52:37,783 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:52:37,783 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-10-13 12:52:37,783 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 661 677) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:52:37,783 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 742 760) no Hoare annotation was computed. [2020-10-13 12:52:37,783 INFO L268 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2020-10-13 12:52:37,783 INFO L271 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: true [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point L749-1(line 749) no Hoare annotation was computed. [2020-10-13 12:52:37,784 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 742 760) the Hoare annotation is: true [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 742 760) no Hoare annotation was computed. [2020-10-13 12:52:37,784 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 848 856) the Hoare annotation is: true [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 848 856) no Hoare annotation was computed. [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 848 856) no Hoare annotation was computed. [2020-10-13 12:52:37,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,785 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,785 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,785 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-13 12:52:37,785 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-10-13 12:52:37,785 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 804 815) no Hoare annotation was computed. [2020-10-13 12:52:37,785 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse2)) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse1 .cse2)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse1) .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-13 12:52:37,786 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2))) (let ((.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse5)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 (= ~pumpRunning~0 0)) .cse2 (not (= |old(~pumpRunning~0)| 0)) .cse3) (or .cse2 (not (<= 2 |old(~waterLevel~0)|)) (and .cse1 .cse4 .cse5) .cse3) (or .cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) .cse6) (or .cse2 (= |old(~switchedOnBeforeTS~0)| 0) (and .cse4 .cse5) .cse6)))) [2020-10-13 12:52:37,786 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (and .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2020-10-13 12:52:37,788 INFO L268 CegarLoopResult]: For program point L599(lines 595 617) no Hoare annotation was computed. [2020-10-13 12:52:37,788 INFO L268 CegarLoopResult]: For program point L597(lines 595 617) no Hoare annotation was computed. [2020-10-13 12:52:37,788 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 592 618) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse1 (and .cse2 .cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (and .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))))) [2020-10-13 12:52:37,788 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 592 618) no Hoare annotation was computed. [2020-10-13 12:52:37,789 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 592 618) no Hoare annotation was computed. [2020-10-13 12:52:37,789 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-10-13 12:52:37,789 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-10-13 12:52:37,789 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-10-13 12:52:37,789 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-10-13 12:52:37,789 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-10-13 12:52:37,789 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-10-13 12:52:37,789 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-13 12:52:37,789 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-13 12:52:37,790 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-10-13 12:52:37,790 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-13 12:52:37,790 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 816 824) the Hoare annotation is: true [2020-10-13 12:52:37,790 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 816 824) no Hoare annotation was computed. [2020-10-13 12:52:37,790 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 816 824) no Hoare annotation was computed. [2020-10-13 12:52:37,790 INFO L268 CegarLoopResult]: For program point L784-1(lines 780 791) no Hoare annotation was computed. [2020-10-13 12:52:37,790 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 780 791) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 0)) [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 780 791) no Hoare annotation was computed. [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-10-13 12:52:37,791 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,791 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 0)) [2020-10-13 12:52:37,791 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 792 803) no Hoare annotation was computed. [2020-10-13 12:52:37,791 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-10-13 12:52:37,792 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 792 803) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 (not (= ~pumpRunning~0 0))))) [2020-10-13 12:52:37,792 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 957 964) no Hoare annotation was computed. [2020-10-13 12:52:37,792 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2020-10-13 12:52:37,792 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 957 964) the Hoare annotation is: true [2020-10-13 12:52:37,792 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 957 964) no Hoare annotation was computed. [2020-10-13 12:52:37,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:37 BoogieIcfgContainer [2020-10-13 12:52:37,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:52:37,812 INFO L168 Benchmark]: Toolchain (without parser) took 79383.93 ms. Allocated memory was 147.3 MB in the beginning and 954.7 MB in the end (delta: 807.4 MB). Free memory was 101.2 MB in the beginning and 587.3 MB in the end (delta: -486.1 MB). Peak memory consumption was 824.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,812 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.20 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 172.4 MB in the end (delta: -71.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,814 INFO L168 Benchmark]: Boogie Preprocessor took 92.70 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,814 INFO L168 Benchmark]: RCFGBuilder took 1273.04 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 167.8 MB in the beginning and 191.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,815 INFO L168 Benchmark]: TraceAbstraction took 77402.73 ms. Allocated memory was 233.8 MB in the beginning and 954.7 MB in the end (delta: 720.9 MB). Free memory was 189.7 MB in the beginning and 587.3 MB in the end (delta: -397.6 MB). Peak memory consumption was 826.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:37,818 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.20 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 172.4 MB in the end (delta: -71.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.70 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1273.04 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 167.8 MB in the beginning and 191.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 77402.73 ms. Allocated memory was 233.8 MB in the beginning and 954.7 MB in the end (delta: 720.9 MB). Free memory was 189.7 MB in the beginning and 587.3 MB in the end (delta: -397.6 MB). Peak memory consumption was 826.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((splverifierCounter <= 0 && 2 <= waterLevel) && waterLevel <= 2)) || (((((\old(systemActive) == systemActive && waterLevel == 1) && splverifierCounter <= 0) && switchedOnBeforeTS == \old(switchedOnBeforeTS)) && pumpRunning == 0) && \old(methaneLevelCritical) == methaneLevelCritical)) || ((pumpRunning == switchedOnBeforeTS && splverifierCounter <= 0) && waterLevel <= 2)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 58.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1272 SDtfs, 2316 SDslu, 1453 SDs, 0 SdLazy, 6170 SolverSat, 1566 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 455 GetRequests, 321 SyntacticMatches, 2 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 350 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1057 PreInvPairs, 1163 NumberOfFragments, 1474 HoareAnnotationTreeSize, 1057 FomulaSimplifications, 6234983 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 141804 FormulaSimplificationTreeSizeReductionInter, 14.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 873 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 295842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 120/122 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...