/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:54,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:54,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:54,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:54,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:54,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:54,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:54,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:54,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:54,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:54,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:54,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:54,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:54,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:54,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:54,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:54,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:54,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:54,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:54,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:54,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:54,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:54,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:54,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:54,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:54,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:54,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:54,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:54,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:54,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:54,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:54,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:54,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:54,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:54,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:54,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:54,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:54,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:54,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:54,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:54,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:54,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:11:54,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:54,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:54,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:54,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:54,246 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:54,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:54,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:54,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:54,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:54,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:54,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:54,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:54,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:54,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:54,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:54,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:54,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:54,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:54,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:54,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:54,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:54,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:54,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:54,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:54,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:54,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:54,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:54,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:54,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:54,251 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:11:54,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:54,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:54,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:54,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:54,718 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:54,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-09-21 11:11:54,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d7454161/57644b6f8a5a415ba199b35bfee55672/FLAG17aea341d [2020-09-21 11:11:55,392 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:55,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2020-09-21 11:11:55,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d7454161/57644b6f8a5a415ba199b35bfee55672/FLAG17aea341d [2020-09-21 11:11:55,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d7454161/57644b6f8a5a415ba199b35bfee55672 [2020-09-21 11:11:55,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:55,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:55,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:55,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:55,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:55,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:55" (1/1) ... [2020-09-21 11:11:55,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:55, skipping insertion in model container [2020-09-21 11:11:55,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:55" (1/1) ... [2020-09-21 11:11:55,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:55,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:56,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:56,274 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:56,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:56,393 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:56,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56 WrapperNode [2020-09-21 11:11:56,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:56,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:56,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:56,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:56,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... [2020-09-21 11:11:56,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:56,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:56,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:56,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:56,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:11:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:11:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:56,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:11:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:56,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:56,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:11:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:11:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:56,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:11:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:11:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 11:11:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:56,610 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:57,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:57,797 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:57,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:57 BoogieIcfgContainer [2020-09-21 11:11:57,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:57,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:57,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:57,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:57,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:55" (1/3) ... [2020-09-21 11:11:57,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a60838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:57, skipping insertion in model container [2020-09-21 11:11:57,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:56" (2/3) ... [2020-09-21 11:11:57,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a60838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:57, skipping insertion in model container [2020-09-21 11:11:57,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:57" (3/3) ... [2020-09-21 11:11:57,818 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-09-21 11:11:57,830 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:57,843 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:57,865 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:57,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:57,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:57,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:57,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:57,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:57,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:57,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:57,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-09-21 11:11:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:57,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:57,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:57,937 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:57,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:57,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2020-09-21 11:11:57,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:57,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966081473] [2020-09-21 11:11:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:58,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:11:58,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,764 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:58,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:58,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:58,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:58,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:58,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:58,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:58,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:58,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:58,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:58,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:58,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:58,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:11:58,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966081473] [2020-09-21 11:11:58,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:58,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:58,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744251306] [2020-09-21 11:11:58,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:58,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:58,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:58,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:58,974 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2020-09-21 11:12:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:00,143 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2020-09-21 11:12:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:00,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:00,164 INFO L225 Difference]: With dead ends: 285 [2020-09-21 11:12:00,164 INFO L226 Difference]: Without dead ends: 154 [2020-09-21 11:12:00,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-09-21 11:12:00,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2020-09-21 11:12:00,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-21 11:12:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2020-09-21 11:12:00,275 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2020-09-21 11:12:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:00,275 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2020-09-21 11:12:00,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2020-09-21 11:12:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:00,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:00,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:00,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:00,280 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:00,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2020-09-21 11:12:00,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:00,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375225298] [2020-09-21 11:12:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:00,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:00,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,746 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:00,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:00,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:00,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:00,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:00,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:00,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:00,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:00,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:00,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:00,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:00,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375225298] [2020-09-21 11:12:00,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:00,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:00,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390942347] [2020-09-21 11:12:00,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:00,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:00,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:00,839 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2020-09-21 11:12:01,267 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:02,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:02,116 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2020-09-21 11:12:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:02,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:02,123 INFO L225 Difference]: With dead ends: 218 [2020-09-21 11:12:02,123 INFO L226 Difference]: Without dead ends: 138 [2020-09-21 11:12:02,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-21 11:12:02,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-09-21 11:12:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 11:12:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-09-21 11:12:02,176 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-09-21 11:12:02,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:02,176 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-09-21 11:12:02,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-09-21 11:12:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:12:02,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:02,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:02,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:02,180 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:02,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:02,181 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2020-09-21 11:12:02,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:02,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729422578] [2020-09-21 11:12:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:02,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,677 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:02,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:12:02,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:02,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:02,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:02,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:02,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:02,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:02,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:02,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:02,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:02,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:02,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:02,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:02,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:12:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:02,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:12:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:02,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:02,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:02,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:02,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:02,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:02,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:02,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:02,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:02,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:02,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:02,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729422578] [2020-09-21 11:12:02,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:02,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:02,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536272944] [2020-09-21 11:12:02,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:02,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:02,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:02,858 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 4 states. [2020-09-21 11:12:03,203 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:04,090 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2020-09-21 11:12:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:04,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:12:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:04,094 INFO L225 Difference]: With dead ends: 227 [2020-09-21 11:12:04,095 INFO L226 Difference]: Without dead ends: 138 [2020-09-21 11:12:04,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:04,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-21 11:12:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-09-21 11:12:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 11:12:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-09-21 11:12:04,128 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2020-09-21 11:12:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:04,129 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-09-21 11:12:04,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-09-21 11:12:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:12:04,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:04,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:04,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:04,132 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:04,132 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2020-09-21 11:12:04,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:04,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584211839] [2020-09-21 11:12:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:04,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:12:04,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-09-21 11:12:04,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:12:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,074 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:05,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:12:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:05,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:05,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:12:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:05,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:05,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:05,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:05,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:12:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:12:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:05,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:05,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:05,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:05,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:05,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:05,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:05,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584211839] [2020-09-21 11:12:05,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:05,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:05,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144452854] [2020-09-21 11:12:05,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:05,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:05,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:05,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:05,264 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 8 states. [2020-09-21 11:12:05,682 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:07,151 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:07,544 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:07,862 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:08,190 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:09,023 INFO L93 Difference]: Finished difference Result 337 states and 438 transitions. [2020-09-21 11:12:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:09,024 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-09-21 11:12:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:09,029 INFO L225 Difference]: With dead ends: 337 [2020-09-21 11:12:09,029 INFO L226 Difference]: Without dead ends: 248 [2020-09-21 11:12:09,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-21 11:12:09,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 202. [2020-09-21 11:12:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-09-21 11:12:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 240 transitions. [2020-09-21 11:12:09,091 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 240 transitions. Word has length 64 [2020-09-21 11:12:09,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:09,092 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 240 transitions. [2020-09-21 11:12:09,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 240 transitions. [2020-09-21 11:12:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:12:09,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:09,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:09,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:09,095 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:09,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:09,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1074512102, now seen corresponding path program 1 times [2020-09-21 11:12:09,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:09,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876308571] [2020-09-21 11:12:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:12:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-09-21 11:12:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:12:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:09,912 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:09,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:09,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:09,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:09,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:12:09,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:10,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:12:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:10,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:10,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:12:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:12:10,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:12:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:10,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:10,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:10,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:10,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:10,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:10,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:10,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876308571] [2020-09-21 11:12:10,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:10,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:10,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773031624] [2020-09-21 11:12:10,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:10,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:10,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:10,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:10,158 INFO L87 Difference]: Start difference. First operand 202 states and 240 transitions. Second operand 11 states. [2020-09-21 11:12:10,579 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:11,261 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:12,570 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:13,088 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:13,405 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:13,849 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:14,215 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:15,296 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:16,404 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:17,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:17,671 INFO L93 Difference]: Finished difference Result 639 states and 828 transitions. [2020-09-21 11:12:17,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:17,671 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-09-21 11:12:17,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:17,679 INFO L225 Difference]: With dead ends: 639 [2020-09-21 11:12:17,680 INFO L226 Difference]: Without dead ends: 537 [2020-09-21 11:12:17,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:17,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-09-21 11:12:17,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 422. [2020-09-21 11:12:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-21 11:12:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 500 transitions. [2020-09-21 11:12:17,867 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 500 transitions. Word has length 68 [2020-09-21 11:12:17,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:17,868 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 500 transitions. [2020-09-21 11:12:17,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 500 transitions. [2020-09-21 11:12:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:12:17,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:17,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:17,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:17,872 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:17,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:17,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2113576122, now seen corresponding path program 1 times [2020-09-21 11:12:17,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:17,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008237980] [2020-09-21 11:12:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 11:12:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-21 11:12:18,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:12:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,496 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:12:18,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:12:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:12:18,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:12:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:18,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:12:18,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:12:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:12:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:18,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008237980] [2020-09-21 11:12:18,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:18,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:18,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108324694] [2020-09-21 11:12:18,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:18,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:18,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:18,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:18,691 INFO L87 Difference]: Start difference. First operand 422 states and 500 transitions. Second operand 6 states. [2020-09-21 11:12:19,019 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:19,513 INFO L93 Difference]: Finished difference Result 524 states and 635 transitions. [2020-09-21 11:12:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:19,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-09-21 11:12:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:19,520 INFO L225 Difference]: With dead ends: 524 [2020-09-21 11:12:19,520 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:19,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:19,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:19,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-09-21 11:12:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:19,523 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:19,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:19,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:19,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:19,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:19,727 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:19,900 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:20,068 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:20,236 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:20,394 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:20,917 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:21,270 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:21,639 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:22,235 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 175 [2020-09-21 11:12:22,405 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:22,568 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:22,724 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:22,878 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:23,031 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:23,193 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:23,346 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:23,491 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:23,643 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:24,294 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 203 [2020-09-21 11:12:24,453 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:24,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:24,768 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:24,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,227 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,385 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,537 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:25,692 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:25,849 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:26,003 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,159 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,313 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:26,475 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,627 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:26,780 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:26,941 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:27,305 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:27,623 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:27,940 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:28,590 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 203 [2020-09-21 11:12:28,743 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:28,914 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,560 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 203 [2020-09-21 11:12:29,729 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:29,889 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,232 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:30,389 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:31,058 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:31,273 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:31,889 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:32,529 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-09-21 11:12:32,820 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:33,454 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:33,674 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:33,936 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:34,166 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:34,418 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-09-21 11:12:34,623 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:35,283 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:35,929 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:36,556 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:37,200 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:37,413 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:38,098 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:38,338 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-09-21 11:12:38,555 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:38,803 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,049 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 23 [2020-09-21 11:12:39,308 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,523 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:39,810 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:40,022 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-09-21 11:12:40,045 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-09-21 11:12:40,045 INFO L268 CegarLoopResult]: For program point L382-2(lines 382 403) no Hoare annotation was computed. [2020-09-21 11:12:40,045 INFO L268 CegarLoopResult]: For program point L404(lines 381 405) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 357 412) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 357 412) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 357 412) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L445-1(lines 445 449) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 413 472) no Hoare annotation was computed. [2020-09-21 11:12:40,046 INFO L268 CegarLoopResult]: For program point L439-2(lines 439 464) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point L465(lines 438 466) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 413 472) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 413 472) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 692 698) the Hoare annotation is: true [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 692 698) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 699 707) no Hoare annotation was computed. [2020-09-21 11:12:40,047 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 699 707) the Hoare annotation is: true [2020-09-21 11:12:40,048 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 699 707) no Hoare annotation was computed. [2020-09-21 11:12:40,048 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 806 830) the Hoare annotation is: true [2020-09-21 11:12:40,048 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:40,048 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 806 830) no Hoare annotation was computed. [2020-09-21 11:12:40,048 INFO L268 CegarLoopResult]: For program point L818(lines 818 824) no Hoare annotation was computed. [2020-09-21 11:12:40,048 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:40,049 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-09-21 11:12:40,049 INFO L268 CegarLoopResult]: For program point L814(lines 814 827) no Hoare annotation was computed. [2020-09-21 11:12:40,049 INFO L268 CegarLoopResult]: For program point L814-1(lines 806 830) no Hoare annotation was computed. [2020-09-21 11:12:40,049 INFO L271 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: true [2020-09-21 11:12:40,049 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-09-21 11:12:40,049 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 781 803) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,050 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,050 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 781 803) no Hoare annotation was computed. [2020-09-21 11:12:40,050 INFO L264 CegarLoopResult]: At program point L793-1(line 793) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,050 INFO L268 CegarLoopResult]: For program point L791(lines 791 798) no Hoare annotation was computed. [2020-09-21 11:12:40,050 INFO L268 CegarLoopResult]: For program point L791-1(lines 791 798) no Hoare annotation was computed. [2020-09-21 11:12:40,050 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-09-21 11:12:40,050 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,051 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,051 INFO L264 CegarLoopResult]: At program point L787-1(line 787) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 781 803) no Hoare annotation was computed. [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 740 763) no Hoare annotation was computed. [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 740 763) no Hoare annotation was computed. [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 740 763) no Hoare annotation was computed. [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-09-21 11:12:40,051 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-09-21 11:12:40,052 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point L745(line 745) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-09-21 11:12:40,053 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-09-21 11:12:40,053 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-09-21 11:12:40,054 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 685 691) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 685 691) the Hoare annotation is: true [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 311 356) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 311 356) no Hoare annotation was computed. [2020-09-21 11:12:40,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 311 356) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point L638(lines 638 658) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 658) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 624 669) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 624 669) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 624 669) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point L644(lines 644 651) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 771 780) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 771 780) no Hoare annotation was computed. [2020-09-21 11:12:40,056 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 771 780) no Hoare annotation was computed. [2020-09-21 11:12:40,057 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-09-21 11:12:40,057 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-09-21 11:12:40,057 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-09-21 11:12:40,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-09-21 11:12:40,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-09-21 11:12:40,057 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: true [2020-09-21 11:12:40,057 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-09-21 11:12:40,057 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-09-21 11:12:40,058 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-09-21 11:12:40,058 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,058 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,058 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-09-21 11:12:40,058 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-09-21 11:12:40,058 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,059 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-09-21 11:12:40,059 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:40,059 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-09-21 11:12:40,059 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:40,059 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-09-21 11:12:40,059 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-09-21 11:12:40,059 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:40,060 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:40,060 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-09-21 11:12:40,060 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-09-21 11:12:40,060 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:40,060 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-09-21 11:12:40,060 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-09-21 11:12:40,060 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:40,061 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-09-21 11:12:40,061 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-09-21 11:12:40,061 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:40,061 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:40,061 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-09-21 11:12:40,061 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-09-21 11:12:40,061 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 578 623) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point L598(lines 598 605) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 578 623) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 578 623) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point L592(lines 592 612) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 612) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 911 919) no Hoare annotation was computed. [2020-09-21 11:12:40,062 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 911 919) the Hoare annotation is: true [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 911 919) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 879 901) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point L887(lines 887 895) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 879 901) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point L887-2(lines 887 895) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 879 901) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point L545(lines 523 546) no Hoare annotation was computed. [2020-09-21 11:12:40,063 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 475 577) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L504(lines 504 520) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L564(lines 564 571) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L525(lines 524 544) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L556-1(line 556) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L521(lines 521 562) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 475 577) no Hoare annotation was computed. [2020-09-21 11:12:40,064 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point L563(lines 563 574) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 475 577) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point L524-2(lines 524 544) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 675 684) no Hoare annotation was computed. [2020-09-21 11:12:40,065 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 675 684) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 675 684) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-09-21 11:12:40,066 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 136 143) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 902 910) the Hoare annotation is: true [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 902 910) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 902 910) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point L862-1(lines 858 869) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 858 869) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 858 869) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,067 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,068 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,068 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 870 878) the Hoare annotation is: true [2020-09-21 11:12:40,068 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 870 878) no Hoare annotation was computed. [2020-09-21 11:12:40,068 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 870 878) no Hoare annotation was computed. [2020-09-21 11:12:40,068 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-09-21 11:12:40,068 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:40,068 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-09-21 11:12:40,069 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:40,069 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-09-21 11:12:40,069 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-09-21 11:12:40,069 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:40,069 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 710 739) no Hoare annotation was computed. [2020-09-21 11:12:40,069 INFO L271 CegarLoopResult]: At program point L735(lines 710 739) the Hoare annotation is: true [2020-09-21 11:12:40,069 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 710 739) the Hoare annotation is: true [2020-09-21 11:12:40,070 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-09-21 11:12:40,070 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-09-21 11:12:40,070 INFO L271 CegarLoopResult]: At program point L724-1(lines 724 728) the Hoare annotation is: true [2020-09-21 11:12:40,070 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-09-21 11:12:40,070 INFO L271 CegarLoopResult]: At program point L720-2(lines 720 734) the Hoare annotation is: true [2020-09-21 11:12:40,070 INFO L271 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: true [2020-09-21 11:12:40,070 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-09-21 11:12:40,070 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 834 845) the Hoare annotation is: true [2020-09-21 11:12:40,070 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 834 845) no Hoare annotation was computed. [2020-09-21 11:12:40,071 INFO L268 CegarLoopResult]: For program point L838-1(lines 834 845) no Hoare annotation was computed. [2020-09-21 11:12:40,071 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 764 770) no Hoare annotation was computed. [2020-09-21 11:12:40,071 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 764 770) the Hoare annotation is: true [2020-09-21 11:12:40,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,071 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:40,071 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:40,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:40,071 INFO L268 CegarLoopResult]: For program point L850-1(lines 846 857) no Hoare annotation was computed. [2020-09-21 11:12:40,072 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 846 857) no Hoare annotation was computed. [2020-09-21 11:12:40,072 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 846 857) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:40,072 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 296 303) no Hoare annotation was computed. [2020-09-21 11:12:40,072 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2020-09-21 11:12:40,072 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 296 303) the Hoare annotation is: true [2020-09-21 11:12:40,072 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 296 303) no Hoare annotation was computed. [2020-09-21 11:12:40,073 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,073 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-09-21 11:12:40,073 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-09-21 11:12:40,073 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,073 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:40,073 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-09-21 11:12:40,073 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-09-21 11:12:40,074 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:40,074 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-09-21 11:12:40,074 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:40 BoogieIcfgContainer [2020-09-21 11:12:40,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:40,097 INFO L168 Benchmark]: Toolchain (without parser) took 44420.09 ms. Allocated memory was 140.5 MB in the beginning and 652.2 MB in the end (delta: 511.7 MB). Free memory was 103.0 MB in the beginning and 408.2 MB in the end (delta: -305.2 MB). Peak memory consumption was 531.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:40,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:40,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.73 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 174.4 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:40,099 INFO L168 Benchmark]: Boogie Preprocessor took 115.35 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 168.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:40,100 INFO L168 Benchmark]: RCFGBuilder took 1296.79 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 199.8 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:40,100 INFO L168 Benchmark]: TraceAbstraction took 42285.94 ms. Allocated memory was 237.5 MB in the beginning and 652.2 MB in the end (delta: 414.7 MB). Free memory was 198.4 MB in the beginning and 408.2 MB in the end (delta: -209.8 MB). Peak memory consumption was 529.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:40,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.73 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.4 MB in the beginning and 174.4 MB in the end (delta: -72.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.35 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 168.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1296.79 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 199.8 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42285.94 ms. Allocated memory was 237.5 MB in the beginning and 652.2 MB in the end (delta: 414.7 MB). Free memory was 198.4 MB in the beginning and 408.2 MB in the end (delta: -209.8 MB). Peak memory consumption was 529.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: 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: 241]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 657 SDtfs, 1165 SDslu, 483 SDs, 0 SdLazy, 2693 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 243 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 492 PreInvPairs, 512 NumberOfFragments, 1111 HoareAnnotationTreeSize, 492 FomulaSimplifications, 64562 FormulaSimplificationTreeSizeReduction, 10.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9144 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 98596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...