/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_spec5_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:17:32,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:17:32,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:17:32,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:17:32,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:17:32,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:17:32,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:17:32,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:17:32,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:17:32,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:17:32,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:17:32,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:17:32,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:17:32,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:17:32,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:17:32,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:17:32,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:17:32,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:17:32,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:17:32,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:17:32,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:17:32,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:17:32,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:17:32,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:17:32,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:17:32,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:17:32,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:17:32,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:17:32,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:17:32,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:17:32,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:17:32,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:17:32,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:17:32,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:17:32,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:17:32,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:17:32,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:17:32,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:17:32,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:17:32,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:17:32,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:17:32,483 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 12:17:32,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:17:32,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:17:32,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:17:32,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:17:32,510 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:17:32,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:17:32,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:17:32,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:17:32,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:17:32,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:17:32,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:17:32,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:17:32,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:17:32,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:17:32,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:17:32,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:17:32,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:17:32,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:17:32,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:17:32,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:17:32,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:17:32,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:17:32,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:17:32,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:17:32,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:17:32,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:17:32,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:17:32,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:17:32,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:17:32,516 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 12:17:32,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:17:33,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:17:33,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:17:33,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:17:33,034 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:17:33,036 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2020-09-21 12:17:33,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a6d3f821/2f96a5e37dbe40aeaeddf6400ff38a94/FLAGc08137b28 [2020-09-21 12:17:33,759 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:17:33,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2020-09-21 12:17:33,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a6d3f821/2f96a5e37dbe40aeaeddf6400ff38a94/FLAGc08137b28 [2020-09-21 12:17:34,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a6d3f821/2f96a5e37dbe40aeaeddf6400ff38a94 [2020-09-21 12:17:34,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:17:34,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:17:34,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:34,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:17:34,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:17:34,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,065 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 12:17:34, skipping insertion in model container [2020-09-21 12:17:34,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:17:34,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:17:34,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:34,529 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:17:34,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:17:34,753 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:17:34,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34 WrapperNode [2020-09-21 12:17:34,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:17:34,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:17:34,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:17:34,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:17:34,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (1/1) ... [2020-09-21 12:17:34,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:17:34,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:17:34,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:17:34,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:17:34,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (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 12:17:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:17:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:17:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:17:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:17:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:17:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:17:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:17:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:17:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:17:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:17:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:17:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:17:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:17:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:17:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:17:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:17:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:17:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:17:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:17:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:17:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:17:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:17:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:17:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:17:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:17:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:17:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:17:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:17:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:17:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:17:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:17:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:17:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:17:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:17:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:17:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 12:17:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:17:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:17:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:17:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:17:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:17:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:17:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:17:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:17:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:17:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:17:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:17:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:17:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:17:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:17:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:17:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:17:36,152 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:17:36,152 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:17:36,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:36 BoogieIcfgContainer [2020-09-21 12:17:36,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:17:36,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:17:36,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:17:36,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:17:36,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:17:34" (1/3) ... [2020-09-21 12:17:36,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be79af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:36, skipping insertion in model container [2020-09-21 12:17:36,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:17:34" (2/3) ... [2020-09-21 12:17:36,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be79af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:17:36, skipping insertion in model container [2020-09-21 12:17:36,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:17:36" (3/3) ... [2020-09-21 12:17:36,169 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2020-09-21 12:17:36,182 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:17:36,193 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:17:36,217 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:17:36,251 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:17:36,251 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:17:36,251 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:17:36,252 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:17:36,252 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:17:36,252 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:17:36,252 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:17:36,252 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:17:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-09-21 12:17:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 12:17:36,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:36,296 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:36,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:36,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:36,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1955189829, now seen corresponding path program 1 times [2020-09-21 12:17:36,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:36,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330741128] [2020-09-21 12:17:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:36,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:36,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:37,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:17:37,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1126 [2020-09-21 12:17:37,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:17:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:37,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-21 12:17:38,401 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 12:17:38,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:38,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:38,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:38,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:38,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:17:38,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:38,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:38,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:17:38,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:17:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:17:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:38,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:38,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:17:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:38,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:38,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:38,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:38,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:38,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:38,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:38,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330741128] [2020-09-21 12:17:38,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:38,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:17:38,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132758976] [2020-09-21 12:17:38,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:17:38,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:38,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:17:38,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:38,812 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2020-09-21 12:17:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:39,980 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2020-09-21 12:17:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:17:39,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 12:17:39,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:40,002 INFO L225 Difference]: With dead ends: 301 [2020-09-21 12:17:40,003 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 12:17:40,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:17:40,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 12:17:40,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 136. [2020-09-21 12:17:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-09-21 12:17:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-09-21 12:17:40,120 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-09-21 12:17:40,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:40,120 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-09-21 12:17:40,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:17:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-09-21 12:17:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:17:40,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:40,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:40,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:17:40,126 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:40,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:40,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1233948209, now seen corresponding path program 1 times [2020-09-21 12:17:40,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:40,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627565533] [2020-09-21 12:17:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 12:17:41,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-09-21 12:17:41,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:17:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:17:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,713 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:41,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 12:17:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:17:41,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:41,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:17:41,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:41,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:41,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:41,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:17:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:17:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:17:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:17:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:17:41,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:41,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:17:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:41,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:17:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:41,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:41,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:41,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:41,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:41,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:17:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:17:41,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627565533] [2020-09-21 12:17:41,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:41,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:17:41,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180508385] [2020-09-21 12:17:41,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:17:41,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:41,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:17:41,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:17:41,998 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-09-21 12:17:42,627 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:17:43,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:43,469 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2020-09-21 12:17:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:17:43,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:17:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:43,473 INFO L225 Difference]: With dead ends: 242 [2020-09-21 12:17:43,473 INFO L226 Difference]: Without dead ends: 156 [2020-09-21 12:17:43,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 12:17:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-21 12:17:43,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2020-09-21 12:17:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-09-21 12:17:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-09-21 12:17:43,517 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-09-21 12:17:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:43,518 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-09-21 12:17:43,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:17:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-09-21 12:17:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:17:43,521 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:17:43,521 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:17:43,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:17:43,522 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:17:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:17:43,522 INFO L82 PathProgramCache]: Analyzing trace with hash -385728390, now seen corresponding path program 1 times [2020-09-21 12:17:43,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:17:43,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952883154] [2020-09-21 12:17:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:17:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:43,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:44,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:44,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:17:44,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:17:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-21 12:17:44,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:17:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-09-21 12:17:44,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:17:44,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:44,941 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:17:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:17:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:17:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:45,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:45,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:17:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:17:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:17:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:17:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:17:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:17:45,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:45,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:17:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:45,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:17:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:17:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:17:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:17:45,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:17:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:17:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:17:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:17:45,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:17:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:17:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:17:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:17:45,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:17:45,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:17:45,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:17:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:17:45,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:17:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:17:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:17:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:17:45,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:17:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:17:45,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952883154] [2020-09-21 12:17:45,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:17:45,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:17:45,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297477527] [2020-09-21 12:17:45,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:17:45,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:17:45,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:17:45,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:17:45,144 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 8 states. [2020-09-21 12:17:45,582 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:46,625 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-21 12:17:47,363 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:17:47,676 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:17:47,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:17:47,753 INFO L93 Difference]: Finished difference Result 212 states and 266 transitions. [2020-09-21 12:17:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:17:47,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 12:17:47,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:17:47,754 INFO L225 Difference]: With dead ends: 212 [2020-09-21 12:17:47,754 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:17:47,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:17:47,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:17:47,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:17:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:17:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:17:47,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:17:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:17:47,758 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:17:47,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:17:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:17:47,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:17:47,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:17:47,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:17:48,008 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,124 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:17:48,283 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,457 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,619 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,786 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:48,947 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,114 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,276 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,435 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,592 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:49,743 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:49,904 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,059 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,213 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,362 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,512 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,662 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,813 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:50,967 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,121 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,274 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,447 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,595 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,743 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:51,898 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,046 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,197 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,442 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,596 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,744 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:52,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:53,049 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:53,203 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:53,353 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:53,792 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:53,953 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:54,101 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:17:54,292 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:54,490 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:54,700 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:54,882 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:55,199 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:17:55,389 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:55,589 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-09-21 12:17:55,840 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:56,041 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:56,242 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:56,442 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:56,673 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:56,878 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:57,088 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:57,288 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-09-21 12:17:57,480 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-09-21 12:17:57,696 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:57,972 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:58,194 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-09-21 12:17:58,198 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 504) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 469 524) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 515) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 469 524) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point L516(lines 493 517) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 469 524) no Hoare annotation was computed. [2020-09-21 12:17:58,199 INFO L268 CegarLoopResult]: For program point L577(lines 550 578) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 525 584) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 525 584) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-09-21 12:17:58,200 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-09-21 12:17:58,201 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 525 584) no Hoare annotation was computed. [2020-09-21 12:17:58,201 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-09-21 12:17:58,201 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 576) no Hoare annotation was computed. [2020-09-21 12:17:58,201 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2020-09-21 12:17:58,201 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2020-09-21 12:17:58,201 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:17:58,202 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2020-09-21 12:17:58,202 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2020-09-21 12:17:58,202 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 331 338) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:58,202 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 331 338) no Hoare annotation was computed. [2020-09-21 12:17:58,202 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 331 338) no Hoare annotation was computed. [2020-09-21 12:17:58,202 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 339 348) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-09-21 12:17:58,203 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 339 348) no Hoare annotation was computed. [2020-09-21 12:17:58,203 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-21 12:17:58,203 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 339 348) no Hoare annotation was computed. [2020-09-21 12:17:58,203 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 349 377) the Hoare annotation is: true [2020-09-21 12:17:58,203 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 349 377) no Hoare annotation was computed. [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point L362(lines 362 368) no Hoare annotation was computed. [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point L361(lines 361 371) no Hoare annotation was computed. [2020-09-21 12:17:58,204 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point L357(lines 357 374) no Hoare annotation was computed. [2020-09-21 12:17:58,204 INFO L268 CegarLoopResult]: For program point L357-1(lines 349 377) no Hoare annotation was computed. [2020-09-21 12:17:58,205 INFO L271 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-09-21 12:17:58,205 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-09-21 12:17:58,205 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 865 887) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2020-09-21 12:17:58,205 INFO L264 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,206 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2020-09-21 12:17:58,206 INFO L264 CegarLoopResult]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,206 INFO L268 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-09-21 12:17:58,206 INFO L268 CegarLoopResult]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2020-09-21 12:17:58,206 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-21 12:17:58,206 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,207 INFO L264 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,207 INFO L264 CegarLoopResult]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 823 846) no Hoare annotation was computed. [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-09-21 12:17:58,207 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 823 846) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 823 846) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 12:17:58,208 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,209 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 90 114) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:58,209 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:58,209 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 90 114) no Hoare annotation was computed. [2020-09-21 12:17:58,209 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,227 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,227 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-09-21 12:17:58,227 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2020-09-21 12:17:58,227 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 185 193) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point L239(lines 239 243) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L271 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: true [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point L239-2(lines 239 243) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point L237-1(line 237) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 230 248) the Hoare annotation is: true [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 230 248) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 230 248) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-21 12:17:58,228 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point L213(lines 213 221) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 194 229) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 194 229) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 194 229) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2020-09-21 12:17:58,229 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2020-09-21 12:17:58,229 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 423 468) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 423 468) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 423 468) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 736 781) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point L756(lines 756 763) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point L750(lines 750 770) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point L750-1(lines 750 770) no Hoare annotation was computed. [2020-09-21 12:17:58,230 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 736 781) no Hoare annotation was computed. [2020-09-21 12:17:58,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 736 781) no Hoare annotation was computed. [2020-09-21 12:17:58,231 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 854 864) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,231 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:58,231 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2020-09-21 12:17:58,231 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2020-09-21 12:17:58,231 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 174 184) the Hoare annotation is: true [2020-09-21 12:17:58,231 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2020-09-21 12:17:58,231 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 174 184) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L271 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: true [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point L179-1(line 179) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point L122-1(line 122) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-09-21 12:17:58,232 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:58,233 INFO L268 CegarLoopResult]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,233 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-09-21 12:17:58,233 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 326) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point L316(lines 271 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,233 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 326) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L264 CegarLoopResult]: At program point L319(lines 270 320) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L309(lines 309 313) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L264 CegarLoopResult]: At program point L309-2(lines 301 314) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L272(lines 271 318) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,234 INFO L268 CegarLoopResult]: For program point L301(lines 301 314) no Hoare annotation was computed. [2020-09-21 12:17:58,234 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 326) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point L704(lines 704 724) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 724) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 690 735) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 690 735) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 690 735) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point L710(lines 710 717) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 141 148) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 141 148) no Hoare annotation was computed. [2020-09-21 12:17:58,235 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 141 148) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 968 976) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 968 976) the Hoare annotation is: true [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 968 976) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 936 958) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 936 958) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 936 958) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:17:58,236 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 587 689) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L636-2(lines 636 656) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L657(lines 635 658) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L616(lines 616 632) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 587 689) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L676(lines 676 683) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L637(lines 636 656) no Hoare annotation was computed. [2020-09-21 12:17:58,237 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L633(lines 633 674) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 587 689) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point L675(lines 675 686) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,238 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point L160-1(lines 149 165) no Hoare annotation was computed. [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point L156(lines 156 162) no Hoare annotation was computed. [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 149 165) no Hoare annotation was computed. [2020-09-21 12:17:58,239 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:17:58,240 INFO L268 CegarLoopResult]: For program point L154-1(line 154) no Hoare annotation was computed. [2020-09-21 12:17:58,240 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 149 165) no Hoare annotation was computed. [2020-09-21 12:17:58,240 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 959 967) the Hoare annotation is: true [2020-09-21 12:17:58,240 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 959 967) no Hoare annotation was computed. [2020-09-21 12:17:58,240 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2020-09-21 12:17:58,240 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:17:58,240 INFO L268 CegarLoopResult]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 927 935) the Hoare annotation is: true [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 927 935) no Hoare annotation was computed. [2020-09-21 12:17:58,241 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2020-09-21 12:17:58,242 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:17:58,242 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-09-21 12:17:58,242 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-09-21 12:17:58,242 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:17:58,242 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-09-21 12:17:58,242 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:58,242 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-09-21 12:17:58,243 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:17:58,243 INFO L271 CegarLoopResult]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2020-09-21 12:17:58,243 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2020-09-21 12:17:58,243 INFO L271 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: true [2020-09-21 12:17:58,243 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-09-21 12:17:58,243 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2020-09-21 12:17:58,244 INFO L271 CegarLoopResult]: At program point L818(lines 793 822) the Hoare annotation is: true [2020-09-21 12:17:58,244 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-09-21 12:17:58,244 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-09-21 12:17:58,244 INFO L271 CegarLoopResult]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2020-09-21 12:17:58,244 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 12:17:58,244 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 891 902) the Hoare annotation is: true [2020-09-21 12:17:58,244 INFO L268 CegarLoopResult]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2020-09-21 12:17:58,244 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2020-09-21 12:17:58,245 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2020-09-21 12:17:58,245 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2020-09-21 12:17:58,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,245 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-09-21 12:17:58,245 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:17:58,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:17:58,245 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 249 256) no Hoare annotation was computed. [2020-09-21 12:17:58,245 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 249 256) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,246 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 249 256) no Hoare annotation was computed. [2020-09-21 12:17:58,246 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2020-09-21 12:17:58,246 INFO L268 CegarLoopResult]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2020-09-21 12:17:58,246 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:17:58,246 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 783 790) no Hoare annotation was computed. [2020-09-21 12:17:58,246 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 787) no Hoare annotation was computed. [2020-09-21 12:17:58,246 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 783 790) the Hoare annotation is: true [2020-09-21 12:17:58,247 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 783 790) no Hoare annotation was computed. [2020-09-21 12:17:58,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:17:58 BoogieIcfgContainer [2020-09-21 12:17:58,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:17:58,268 INFO L168 Benchmark]: Toolchain (without parser) took 24221.28 ms. Allocated memory was 137.9 MB in the beginning and 518.0 MB in the end (delta: 380.1 MB). Free memory was 99.1 MB in the beginning and 471.1 MB in the end (delta: -372.1 MB). Peak memory consumption was 396.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,269 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.36 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.0 MB in the beginning and 170.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,271 INFO L168 Benchmark]: Boogie Preprocessor took 108.97 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,272 INFO L168 Benchmark]: RCFGBuilder took 1295.01 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.5 MB in the beginning and 194.6 MB in the end (delta: -29.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,273 INFO L168 Benchmark]: TraceAbstraction took 22105.76 ms. Allocated memory was 231.2 MB in the beginning and 518.0 MB in the end (delta: 286.8 MB). Free memory was 194.6 MB in the beginning and 471.1 MB in the end (delta: -276.6 MB). Peak memory consumption was 398.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:17:58,278 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 118.1 MB in the beginning and 117.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.36 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 98.0 MB in the beginning and 170.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.97 ms. Allocated memory is still 200.8 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.01 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.5 MB in the beginning and 194.6 MB in the end (delta: -29.1 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22105.76 ms. Allocated memory was 231.2 MB in the beginning and 518.0 MB in the end (delta: 286.8 MB). Free memory was 194.6 MB in the beginning and 471.1 MB in the end (delta: -276.6 MB). Peak memory consumption was 398.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 787]: 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: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 334 SDtfs, 346 SDslu, 214 SDs, 0 SdLazy, 668 SolverSat, 205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 207 PreInvPairs, 227 NumberOfFragments, 590 HoareAnnotationTreeSize, 207 FomulaSimplifications, 3546 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5195 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 48383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...