/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:59,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:59,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:59,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:59,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:59,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:59,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:59,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:59,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:59,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:59,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:59,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:59,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:59,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:59,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:59,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:59,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:59,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:59,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:59,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:59,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:59,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:59,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:59,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:59,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:59,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:59,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:59,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:59,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:59,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:59,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:59,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:59,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:59,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:59,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:59,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:59,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:59,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:59,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:59,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:59,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:59,574 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 12:08:59,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:59,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:59,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:59,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:59,623 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:59,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:59,624 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:59,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:59,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:59,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:59,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:59,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:59,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:59,627 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:59,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:59,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:59,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:59,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:59,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:59,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:59,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:59,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:59,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:59,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:59,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:59,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:59,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:59,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:59,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:59,630 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:09:00,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:00,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:00,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:00,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:00,121 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:00,123 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-21 12:09:00,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d969c155d/901fef6c8d8e4cedbb18a90e8e7febc1/FLAG84223fa64 [2020-09-21 12:09:00,866 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:00,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-21 12:09:00,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d969c155d/901fef6c8d8e4cedbb18a90e8e7febc1/FLAG84223fa64 [2020-09-21 12:09:01,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d969c155d/901fef6c8d8e4cedbb18a90e8e7febc1 [2020-09-21 12:09:01,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:01,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:01,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:01,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:01,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:01,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01, skipping insertion in model container [2020-09-21 12:09:01,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:01,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:01,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:01,630 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:01,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:01,871 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:01,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01 WrapperNode [2020-09-21 12:09:01,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:01,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:01,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:01,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:01,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (1/1) ... [2020-09-21 12:09:01,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:01,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:01,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:01,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:01,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (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 12:09:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:09:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:09:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:03,184 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:03,184 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:03,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:03 BoogieIcfgContainer [2020-09-21 12:09:03,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:03,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:03,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:03,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:03,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:01" (1/3) ... [2020-09-21 12:09:03,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e78f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:03, skipping insertion in model container [2020-09-21 12:09:03,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:01" (2/3) ... [2020-09-21 12:09:03,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e78f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:03, skipping insertion in model container [2020-09-21 12:09:03,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:03" (3/3) ... [2020-09-21 12:09:03,205 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-09-21 12:09:03,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:03,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:03,255 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:03,290 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:03,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:03,290 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:03,290 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:03,290 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:03,290 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:03,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:03,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:03,316 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-21 12:09:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:03,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:03,330 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 12:09:03,331 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:03,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:03,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1920161495, now seen corresponding path program 1 times [2020-09-21 12:09:03,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:03,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145131334] [2020-09-21 12:09:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-09-21 12:09:04,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:04,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:09:05,270 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:05,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 12:09:05,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:05,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:05,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:05,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:05,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:05,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:05,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:09:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:05,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:05,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:09:05,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:05,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:05,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:05,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:05,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:05,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:05,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:05,512 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 12:09:05,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145131334] [2020-09-21 12:09:05,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:05,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:05,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759827323] [2020-09-21 12:09:05,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:05,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:05,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:05,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:05,546 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-09-21 12:09:06,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:06,723 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2020-09-21 12:09:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:06,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:06,743 INFO L225 Difference]: With dead ends: 288 [2020-09-21 12:09:06,743 INFO L226 Difference]: Without dead ends: 161 [2020-09-21 12:09:06,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:06,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-21 12:09:06,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-09-21 12:09:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-09-21 12:09:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-09-21 12:09:06,850 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-09-21 12:09:06,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:06,851 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-09-21 12:09:06,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-09-21 12:09:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:06,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:06,855 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] [2020-09-21 12:09:06,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:06,856 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:06,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:06,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1183327725, now seen corresponding path program 1 times [2020-09-21 12:09:06,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:06,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345750248] [2020-09-21 12:09:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:07,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:07,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:09:07,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:08,243 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:08,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:08,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:09:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:08,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:08,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:08,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:08,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:08,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:08,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:08,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:08,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:08,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:08,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:08,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:08,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:08,423 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 12:09:08,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345750248] [2020-09-21 12:09:08,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:08,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:08,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805582058] [2020-09-21 12:09:08,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:08,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:08,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:08,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:08,429 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-09-21 12:09:09,124 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:10,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:10,151 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2020-09-21 12:09:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:10,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:10,155 INFO L225 Difference]: With dead ends: 229 [2020-09-21 12:09:10,155 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 12:09:10,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 12:09:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 12:09:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 12:09:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-09-21 12:09:10,202 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-09-21 12:09:10,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:10,203 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-09-21 12:09:10,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-09-21 12:09:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:09:10,205 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:10,206 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] [2020-09-21 12:09:10,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:10,206 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:10,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:10,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2053206438, now seen corresponding path program 1 times [2020-09-21 12:09:10,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:10,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114173039] [2020-09-21 12:09:10,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:10,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:09:11,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-09-21 12:09:11,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:09:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:09:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,664 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:11,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-21 12:09:11,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:11,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:11,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:11,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:11,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:09:11,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:11,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:11,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:11,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:09:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:11,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:11,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:11,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:11,927 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 12:09:11,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114173039] [2020-09-21 12:09:11,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:11,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:11,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414068393] [2020-09-21 12:09:11,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:11,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:11,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:11,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:11,932 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-09-21 12:09:12,220 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:13,173 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2020-09-21 12:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:09:13,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:09:13,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:13,176 INFO L225 Difference]: With dead ends: 242 [2020-09-21 12:09:13,176 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 12:09:13,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:13,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 12:09:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 12:09:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 12:09:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-09-21 12:09:13,216 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2020-09-21 12:09:13,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:13,216 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-09-21 12:09:13,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-09-21 12:09:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 12:09:13,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:13,219 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, 1, 1] [2020-09-21 12:09:13,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:13,220 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:13,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:13,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1469392380, now seen corresponding path program 1 times [2020-09-21 12:09:13,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:13,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274982222] [2020-09-21 12:09:13,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 12:09:14,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1041 [2020-09-21 12:09:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:09:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 12:09:14,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,665 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:14,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 12:09:14,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:14,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:14,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:14,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:14,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:14,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:14,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:14,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:09:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:09:14,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:14,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:09:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:14,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:14,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:09:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:14,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:14,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 12:09:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:14,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:14,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:14,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:14,967 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 12:09:14,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274982222] [2020-09-21 12:09:14,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:14,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:14,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614480913] [2020-09-21 12:09:14,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:14,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:14,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:14,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:14,969 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2020-09-21 12:09:15,340 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:16,338 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:16,839 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:17,839 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:18,147 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:18,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:18,739 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2020-09-21 12:09:18,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 12:09:18,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 12:09:18,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:18,744 INFO L225 Difference]: With dead ends: 373 [2020-09-21 12:09:18,744 INFO L226 Difference]: Without dead ends: 282 [2020-09-21 12:09:18,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 12:09:18,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-21 12:09:18,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2020-09-21 12:09:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-09-21 12:09:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2020-09-21 12:09:18,806 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2020-09-21 12:09:18,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:18,807 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2020-09-21 12:09:18,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2020-09-21 12:09:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-21 12:09:18,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:18,810 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, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:18,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:18,810 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:18,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1644322976, now seen corresponding path program 1 times [2020-09-21 12:09:18,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:18,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040720188] [2020-09-21 12:09:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:19,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:19,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-09-21 12:09:19,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:19,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:09:19,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:19,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 12:09:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:09:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,173 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:09:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:20,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:20,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:09:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:09:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:09:20,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:09:20,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:09:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:20,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:20,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:20,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 12:09:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:20,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 12:09:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:20,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:20,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:20,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:20,417 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 12:09:20,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040720188] [2020-09-21 12:09:20,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:20,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:09:20,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311572736] [2020-09-21 12:09:20,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:09:20,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:20,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:09:20,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:09:20,421 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2020-09-21 12:09:20,831 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:21,914 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:22,232 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:22,616 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 12:09:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:22,946 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2020-09-21 12:09:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:09:22,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-09-21 12:09:22,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:22,948 INFO L225 Difference]: With dead ends: 349 [2020-09-21 12:09:22,948 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:22,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:09:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:22,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:22,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-09-21 12:09:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:22,952 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:22,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:09:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:22,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:22,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:09:22,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:23,209 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:23,403 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:23,815 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 13 [2020-09-21 12:09:23,985 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:24,160 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:24,327 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:24,497 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:24,678 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:24,857 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:25,180 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-21 12:09:25,490 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-21 12:09:25,787 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:26,106 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:26,399 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-21 12:09:26,687 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 195 [2020-09-21 12:09:26,850 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:27,010 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:27,172 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:27,329 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:27,490 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:27,653 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:27,797 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:28,123 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 14 [2020-09-21 12:09:28,286 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:28,454 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:28,617 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:28,780 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:28,938 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,096 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,260 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:29,422 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:29,584 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:29,744 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,906 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:30,068 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:30,230 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:30,387 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,550 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:30,716 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:30,879 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:31,047 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:31,204 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,366 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:31,541 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:31,705 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:31,872 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:32,028 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,212 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:32,380 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:32,538 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,704 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:33,172 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 13 [2020-09-21 12:09:33,546 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:33,912 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:34,206 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:34,495 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:34,865 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:35,232 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:35,390 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,571 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:35,738 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:35,900 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:36,058 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:36,221 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:36,390 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:36,712 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 14 [2020-09-21 12:09:36,876 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:37,040 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,202 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 12:09:37,664 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 13 [2020-09-21 12:09:38,116 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-09-21 12:09:38,409 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:38,682 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:09:39,128 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-09-21 12:09:39,661 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-09-21 12:09:40,095 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 12:09:40,366 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:40,649 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:40,909 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:41,366 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-09-21 12:09:41,824 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 14 [2020-09-21 12:09:42,270 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 14 [2020-09-21 12:09:42,538 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:42,788 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:43,273 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-09-21 12:09:43,535 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 12:09:43,799 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:44,234 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 13 [2020-09-21 12:09:44,714 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-09-21 12:09:44,942 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 12:09:45,210 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-09-21 12:09:45,662 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 14 [2020-09-21 12:09:45,905 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:46,182 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-09-21 12:09:46,594 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 14 [2020-09-21 12:09:46,636 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:09:46,636 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:09:46,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 12:09:46,638 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:09:46,638 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 12:09:46,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:09:46,638 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:09:46,638 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 12:09:46,639 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:09:46,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:09:46,639 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 12:09:46,639 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 12:09:46,639 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 12:09:46,640 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 930 936) the Hoare annotation is: true [2020-09-21 12:09:46,640 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 930 936) no Hoare annotation was computed. [2020-09-21 12:09:46,640 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 937 945) no Hoare annotation was computed. [2020-09-21 12:09:46,640 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 937 945) the Hoare annotation is: true [2020-09-21 12:09:46,640 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 937 945) no Hoare annotation was computed. [2020-09-21 12:09:46,641 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,641 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-09-21 12:09:46,641 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,641 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,641 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-09-21 12:09:46,641 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-09-21 12:09:46,642 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:09:46,642 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,642 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,642 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,642 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-09-21 12:09:46,642 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 12:09:46,643 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:09:46,644 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2020-09-21 12:09:46,645 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L271 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-09-21 12:09:46,645 INFO L268 CegarLoopResult]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-09-21 12:09:46,645 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 679 697) the Hoare annotation is: true [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 679 697) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point L673(line 673) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point L662(lines 662 670) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 670) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 643 678) no Hoare annotation was computed. [2020-09-21 12:09:46,646 INFO L268 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 643 678) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 923 929) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 923 929) the Hoare annotation is: true [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 12:09:46,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:09:46,648 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 12:09:46,648 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,648 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,648 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-09-21 12:09:46,648 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-09-21 12:09:46,648 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 623 633) the Hoare annotation is: true [2020-09-21 12:09:46,648 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2020-09-21 12:09:46,649 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 623 633) no Hoare annotation was computed. [2020-09-21 12:09:46,649 INFO L271 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: true [2020-09-21 12:09:46,649 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-09-21 12:09:46,649 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 615 622) the Hoare annotation is: true [2020-09-21 12:09:46,649 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2020-09-21 12:09:46,649 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2020-09-21 12:09:46,649 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,649 INFO L268 CegarLoopResult]: For program point L601-1(lines 582 606) no Hoare annotation was computed. [2020-09-21 12:09:46,650 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 582 606) no Hoare annotation was computed. [2020-09-21 12:09:46,650 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,650 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 582 606) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,650 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,650 INFO L268 CegarLoopResult]: For program point L590(lines 590 598) no Hoare annotation was computed. [2020-09-21 12:09:46,650 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,650 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-21 12:09:46,650 INFO L268 CegarLoopResult]: For program point L586(lines 586 603) no Hoare annotation was computed. [2020-09-21 12:09:46,651 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 548 554) no Hoare annotation was computed. [2020-09-21 12:09:46,651 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 548 554) the Hoare annotation is: true [2020-09-21 12:09:46,651 INFO L268 CegarLoopResult]: For program point L737(lines 737 743) no Hoare annotation was computed. [2020-09-21 12:09:46,651 INFO L268 CegarLoopResult]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2020-09-21 12:09:46,651 INFO L264 CegarLoopResult]: At program point testENTRY(lines 707 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,651 INFO L264 CegarLoopResult]: At program point L762(lines 717 764) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,651 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point testFINAL(lines 707 772) no Hoare annotation was computed. [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2020-09-21 12:09:46,652 INFO L264 CegarLoopResult]: At program point L765(lines 716 766) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2020-09-21 12:09:46,652 INFO L264 CegarLoopResult]: At program point L755-2(lines 747 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,652 INFO L268 CegarLoopResult]: For program point L718(lines 717 764) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L264 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point testEXIT(lines 707 772) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 12:09:46,653 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 902 910) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 902 910) the Hoare annotation is: true [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 902 910) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point L800(lines 800 817) no Hoare annotation was computed. [2020-09-21 12:09:46,654 INFO L268 CegarLoopResult]: For program point L800-1(lines 792 820) no Hoare annotation was computed. [2020-09-21 12:09:46,655 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,655 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 12:09:46,655 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 792 820) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,655 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,655 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-09-21 12:09:46,655 INFO L268 CegarLoopResult]: For program point L804(lines 804 814) no Hoare annotation was computed. [2020-09-21 12:09:46,655 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 792 820) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2020-09-21 12:09:46,656 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 784 791) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 784 791) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 784 791) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 870 892) no Hoare annotation was computed. [2020-09-21 12:09:46,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 870 892) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 870 892) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:09:46,657 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 12:09:46,658 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 913 922) no Hoare annotation was computed. [2020-09-21 12:09:46,659 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 913 922) no Hoare annotation was computed. [2020-09-21 12:09:46,659 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 913 922) no Hoare annotation was computed. [2020-09-21 12:09:46,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,659 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:46,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,659 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 607 614) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 607 614) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 607 614) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 893 901) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 893 901) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 893 901) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,660 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 849 860) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:46,661 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 849 860) no Hoare annotation was computed. [2020-09-21 12:09:46,661 INFO L268 CegarLoopResult]: For program point L853-1(lines 849 860) no Hoare annotation was computed. [2020-09-21 12:09:46,661 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,661 INFO L264 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,661 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,661 INFO L268 CegarLoopResult]: For program point L528(lines 527 546) no Hoare annotation was computed. [2020-09-21 12:09:46,661 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 547) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,661 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 547) no Hoare annotation was computed. [2020-09-21 12:09:46,662 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 547) no Hoare annotation was computed. [2020-09-21 12:09:46,662 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-09-21 12:09:46,662 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-09-21 12:09:46,662 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-09-21 12:09:46,662 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-09-21 12:09:46,662 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-09-21 12:09:46,662 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-09-21 12:09:46,663 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 12:09:46,663 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 861 869) the Hoare annotation is: true [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 861 869) no Hoare annotation was computed. [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 861 869) no Hoare annotation was computed. [2020-09-21 12:09:46,663 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 825 836) the Hoare annotation is: true [2020-09-21 12:09:46,663 INFO L268 CegarLoopResult]: For program point L829-1(lines 825 836) no Hoare annotation was computed. [2020-09-21 12:09:46,664 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 825 836) no Hoare annotation was computed. [2020-09-21 12:09:46,664 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-09-21 12:09:46,664 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-09-21 12:09:46,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,664 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:09:46,664 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:46,664 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:46,664 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 698 705) no Hoare annotation was computed. [2020-09-21 12:09:46,665 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 698 705) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,665 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 698 705) no Hoare annotation was computed. [2020-09-21 12:09:46,665 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 837 848) no Hoare annotation was computed. [2020-09-21 12:09:46,665 INFO L268 CegarLoopResult]: For program point L841-1(lines 837 848) no Hoare annotation was computed. [2020-09-21 12:09:46,665 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 837 848) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:09:46,665 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:09:46,666 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2020-09-21 12:09:46,666 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 774 781) the Hoare annotation is: true [2020-09-21 12:09:46,666 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:09:46,666 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,666 INFO L268 CegarLoopResult]: For program point L575-1(lines 556 580) no Hoare annotation was computed. [2020-09-21 12:09:46,666 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 556 580) no Hoare annotation was computed. [2020-09-21 12:09:46,666 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 556 580) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,667 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,667 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,667 INFO L268 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-09-21 12:09:46,667 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:09:46,667 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-09-21 12:09:46,667 INFO L268 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-09-21 12:09:46,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:46 BoogieIcfgContainer [2020-09-21 12:09:46,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:46,690 INFO L168 Benchmark]: Toolchain (without parser) took 45567.67 ms. Allocated memory was 146.8 MB in the beginning and 634.4 MB in the end (delta: 487.6 MB). Free memory was 102.3 MB in the beginning and 296.4 MB in the end (delta: -194.2 MB). Peak memory consumption was 477.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,691 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:09:46,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.32 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 173.5 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,692 INFO L168 Benchmark]: Boogie Preprocessor took 102.31 ms. Allocated memory is still 205.0 MB. Free memory was 173.5 MB in the beginning and 169.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,693 INFO L168 Benchmark]: RCFGBuilder took 1219.66 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.6 MB in the beginning and 194.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,694 INFO L168 Benchmark]: TraceAbstraction took 43492.47 ms. Allocated memory was 235.9 MB in the beginning and 634.4 MB in the end (delta: 398.5 MB). Free memory was 194.2 MB in the beginning and 296.4 MB in the end (delta: -102.2 MB). Peak memory consumption was 479.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:46,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.32 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 173.5 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.31 ms. Allocated memory is still 205.0 MB. Free memory was 173.5 MB in the beginning and 169.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.66 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.6 MB in the beginning and 194.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43492.47 ms. Allocated memory was 235.9 MB in the beginning and 634.4 MB in the end (delta: 398.5 MB). Free memory was 194.2 MB in the beginning and 296.4 MB in the end (delta: -102.2 MB). Peak memory consumption was 479.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 504 SDtfs, 1060 SDslu, 349 SDs, 0 SdLazy, 1616 SolverSat, 811 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 1053 HoareAnnotationTreeSize, 352 FomulaSimplifications, 110421 FormulaSimplificationTreeSizeReduction, 14.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 8835 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 89193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...