/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:01:19,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:01:19,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:01:19,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:01:19,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:01:19,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:01:19,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:01:19,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:01:19,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:01:19,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:01:19,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:01:19,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:01:19,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:01:19,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:01:19,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:01:19,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:01:19,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:01:19,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:01:19,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:01:19,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:01:19,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:01:19,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:01:19,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:01:19,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:01:19,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:01:19,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:01:19,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:01:19,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:01:19,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:01:19,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:01:19,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:01:19,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:01:19,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:01:19,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:01:19,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:01:19,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:01:19,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:01:19,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:01:19,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:01:19,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:01:19,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:01:19,610 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 [2020-08-22 02:01:19,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:01:19,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:01:19,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:01:19,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:01:19,653 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:01:19,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:01:19,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:01:19,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:01:19,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:01:19,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:01:19,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:01:19,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:01:19,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:01:19,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:01:19,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:01:19,657 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:01:19,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:01:19,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:01:19,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:01:19,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:01:19,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:01:19,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:01:19,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:01:19,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:01:19,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:01:19,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:01:19,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:01:19,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:01:19,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:01:19,659 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 -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-22 02:01:19,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:01:19,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:01:20,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:01:20,002 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:01:20,002 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:01:20,003 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-08-22 02:01:20,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f158d864/0c9297a97cf34a0fb6a35876f7c9be64/FLAGddce82dba [2020-08-22 02:01:20,589 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:01:20,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2020-08-22 02:01:20,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f158d864/0c9297a97cf34a0fb6a35876f7c9be64/FLAGddce82dba [2020-08-22 02:01:20,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f158d864/0c9297a97cf34a0fb6a35876f7c9be64 [2020-08-22 02:01:20,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:01:20,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:01:20,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:01:20,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:01:20,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:01:20,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:01:20" (1/1) ... [2020-08-22 02:01:20,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:20, skipping insertion in model container [2020-08-22 02:01:20,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:01:20" (1/1) ... [2020-08-22 02:01:20,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:01:20,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:01:21,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:01:21,336 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:01:21,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:01:21,559 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:01:21,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21 WrapperNode [2020-08-22 02:01:21,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:01:21,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:01:21,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:01:21,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:01:21,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... [2020-08-22 02:01:21,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:01:21,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:01:21,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:01:21,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:01:21,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:01:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:01:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:01:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:01:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:01:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:01:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:01:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 02:01:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:01:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:01:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:01:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:01:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:01:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:01:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:01:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:01:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:01:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:01:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:01:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:01:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:01:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:01:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:01:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 02:01:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:01:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:01:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:01:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:01:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:01:22,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:01:22,832 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:01:22,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:01:22 BoogieIcfgContainer [2020-08-22 02:01:22,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:01:22,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:01:22,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:01:22,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:01:22,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:01:20" (1/3) ... [2020-08-22 02:01:22,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac08709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:01:22, skipping insertion in model container [2020-08-22 02:01:22,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:01:21" (2/3) ... [2020-08-22 02:01:22,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac08709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:01:22, skipping insertion in model container [2020-08-22 02:01:22,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:01:22" (3/3) ... [2020-08-22 02:01:22,846 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-08-22 02:01:22,857 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:01:22,866 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:01:22,881 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:01:22,908 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:01:22,908 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:01:22,908 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:01:22,908 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:01:22,909 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:01:22,909 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:01:22,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:01:22,909 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:01:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-22 02:01:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 02:01:22,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:01:22,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:01:22,946 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:01:22,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:01:22,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1074296443, now seen corresponding path program 1 times [2020-08-22 02:01:22,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:01:22,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713857018] [2020-08-22 02:01:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:01:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,601 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:01:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:01:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:01:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:01:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:01:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:01:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:01:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:01:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:01:23,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713857018] [2020-08-22 02:01:23,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:01:23,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:01:23,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498272650] [2020-08-22 02:01:23,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:01:23,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:01:23,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:01:23,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:01:23,732 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-08-22 02:01:24,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:01:24,826 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-08-22 02:01:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:01:24,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 02:01:24,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:01:24,842 INFO L225 Difference]: With dead ends: 261 [2020-08-22 02:01:24,842 INFO L226 Difference]: Without dead ends: 147 [2020-08-22 02:01:24,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:01:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-22 02:01:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2020-08-22 02:01:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:01:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-22 02:01:24,948 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2020-08-22 02:01:24,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:01:24,949 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-22 02:01:24,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:01:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-22 02:01:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:01:24,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:01:24,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:01:24,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:01:24,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:01:24,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:01:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash 981139915, now seen corresponding path program 1 times [2020-08-22 02:01:24,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:01:24,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732173819] [2020-08-22 02:01:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:01:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,293 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:01:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:01:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:01:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:01:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:01:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:01:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:01:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:01:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:01:25,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732173819] [2020-08-22 02:01:25,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:01:25,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 02:01:25,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067447524] [2020-08-22 02:01:25,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:01:25,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:01:25,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:01:25,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:01:25,402 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-08-22 02:01:25,902 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:01:26,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:01:26,701 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2020-08-22 02:01:26,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:01:26,702 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 02:01:26,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:01:26,705 INFO L225 Difference]: With dead ends: 200 [2020-08-22 02:01:26,705 INFO L226 Difference]: Without dead ends: 137 [2020-08-22 02:01:26,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:01:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-22 02:01:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-22 02:01:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-22 02:01:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-08-22 02:01:26,746 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2020-08-22 02:01:26,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:01:26,747 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-08-22 02:01:26,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:01:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-08-22 02:01:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 02:01:26,749 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:01:26,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:01:26,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:01:26,749 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:01:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:01:26,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1888478302, now seen corresponding path program 1 times [2020-08-22 02:01:26,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:01:26,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614826205] [2020-08-22 02:01:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:01:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,125 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:01:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:01:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:01:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:01:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:01:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:01:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:01:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:01:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:01:27,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614826205] [2020-08-22 02:01:27,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:01:27,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:01:27,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614546147] [2020-08-22 02:01:27,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:01:27,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:01:27,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:01:27,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:01:27,259 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-08-22 02:01:27,659 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:01:27,960 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:28,235 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:28,458 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:29,226 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:01:30,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:01:30,571 INFO L93 Difference]: Finished difference Result 362 states and 459 transitions. [2020-08-22 02:01:30,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:01:30,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 02:01:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:01:30,581 INFO L225 Difference]: With dead ends: 362 [2020-08-22 02:01:30,581 INFO L226 Difference]: Without dead ends: 284 [2020-08-22 02:01:30,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 02:01:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-08-22 02:01:30,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 227. [2020-08-22 02:01:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-08-22 02:01:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 276 transitions. [2020-08-22 02:01:30,655 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 276 transitions. Word has length 56 [2020-08-22 02:01:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:01:30,656 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 276 transitions. [2020-08-22 02:01:30,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:01:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 276 transitions. [2020-08-22 02:01:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 02:01:30,658 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:01:30,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:01:30,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:01:30,659 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:01:30,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:01:30,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1204376986, now seen corresponding path program 1 times [2020-08-22 02:01:30,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:01:30,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921352711] [2020-08-22 02:01:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:01:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:30,955 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:01:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:01:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:01:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:01:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:30,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:01:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:31,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:01:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:31,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:01:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:31,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:01:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 02:01:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:01:31,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921352711] [2020-08-22 02:01:31,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:01:31,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:01:31,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752251726] [2020-08-22 02:01:31,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:01:31,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:01:31,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:01:31,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:01:31,058 INFO L87 Difference]: Start difference. First operand 227 states and 276 transitions. Second operand 9 states. [2020-08-22 02:01:31,449 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:01:32,586 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:32,901 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:33,156 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:33,389 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:01:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:01:34,124 INFO L93 Difference]: Finished difference Result 723 states and 967 transitions. [2020-08-22 02:01:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 02:01:34,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-22 02:01:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:01:34,137 INFO L225 Difference]: With dead ends: 723 [2020-08-22 02:01:34,137 INFO L226 Difference]: Without dead ends: 524 [2020-08-22 02:01:34,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 02:01:34,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-08-22 02:01:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 402. [2020-08-22 02:01:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-22 02:01:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 492 transitions. [2020-08-22 02:01:34,262 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 492 transitions. Word has length 62 [2020-08-22 02:01:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:01:34,263 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 492 transitions. [2020-08-22 02:01:34,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:01:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 492 transitions. [2020-08-22 02:01:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 02:01:34,265 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:01:34,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:01:34,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:01:34,266 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:01:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:01:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2071048374, now seen corresponding path program 1 times [2020-08-22 02:01:34,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:01:34,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990195673] [2020-08-22 02:01:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:01:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,546 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:01:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:01:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:01:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:01:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:01:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:01:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 02:01:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:01:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 02:01:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 02:01:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:01:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:01:34,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990195673] [2020-08-22 02:01:34,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:01:34,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 02:01:34,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298510804] [2020-08-22 02:01:34,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:01:34,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:01:34,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:01:34,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:01:34,661 INFO L87 Difference]: Start difference. First operand 402 states and 492 transitions. Second operand 10 states. [2020-08-22 02:01:35,095 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:01:36,123 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:36,390 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:36,651 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:01:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:01:37,088 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2020-08-22 02:01:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 02:01:37,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-22 02:01:37,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:01:37,089 INFO L225 Difference]: With dead ends: 747 [2020-08-22 02:01:37,089 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:01:37,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-22 02:01:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:01:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:01:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:01:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:01:37,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-22 02:01:37,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:01:37,097 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:01:37,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:01:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:01:37,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:01:37,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:01:37,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:01:40,807 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 02:01:41,128 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 02:01:41,296 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:41,462 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-22 02:01:41,683 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:42,158 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-22 02:01:42,364 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:01:42,705 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 02:01:42,894 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 02:01:43,244 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-22 02:01:43,553 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:01:43,738 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:43,903 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:44,246 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-22 02:01:44,408 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:44,734 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:01:44,889 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 02:01:45,070 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:01:45,248 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:01:45,577 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 02:01:45,771 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 02:01:45,947 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 02:01:46,271 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-22 02:01:46,602 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:01:46,607 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 02:01:46,607 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-08-22 02:01:46,607 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-08-22 02:01:46,608 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-22 02:01:46,609 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-08-22 02:01:46,610 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 02:01:46,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-08-22 02:01:46,611 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-22 02:01:46,611 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 910 916) the Hoare annotation is: true [2020-08-22 02:01:46,611 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 910 916) no Hoare annotation was computed. [2020-08-22 02:01:46,611 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 917 925) no Hoare annotation was computed. [2020-08-22 02:01:46,611 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 917 925) the Hoare annotation is: true [2020-08-22 02:01:46,611 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 917 925) no Hoare annotation was computed. [2020-08-22 02:01:46,612 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 591 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,612 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 02:01:46,612 INFO L264 CegarLoopResult]: At program point L603-1(line 603) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 02:01:46,612 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-08-22 02:01:46,612 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 591 613) no Hoare annotation was computed. [2020-08-22 02:01:46,612 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 608) no Hoare annotation was computed. [2020-08-22 02:01:46,613 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-08-22 02:01:46,613 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,613 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,613 INFO L264 CegarLoopResult]: At program point L597-1(line 597) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,613 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 591 613) no Hoare annotation was computed. [2020-08-22 02:01:46,613 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 544 567) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 544 567) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 544 567) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 02:01:46,614 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 02:01:46,615 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 809 823) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point L813(lines 813 819) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 809 823) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 809 823) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 745 753) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 745 753) the Hoare annotation is: true [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 745 753) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-08-22 02:01:46,616 INFO L271 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: true [2020-08-22 02:01:46,616 INFO L268 CegarLoopResult]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 790 808) the Hoare annotation is: true [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 790 808) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 790 808) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 754 789) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 754 789) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L773(lines 773 781) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2020-08-22 02:01:46,617 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 754 789) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 903 909) the Hoare annotation is: true [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-08-22 02:01:46,618 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 577 587) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 577 587) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 577 587) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 734 744) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 734 744) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 734 744) no Hoare annotation was computed. [2020-08-22 02:01:46,619 INFO L268 CegarLoopResult]: For program point L739(line 739) no Hoare annotation was computed. [2020-08-22 02:01:46,620 INFO L268 CegarLoopResult]: For program point L739-1(line 739) no Hoare annotation was computed. [2020-08-22 02:01:46,620 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 726 733) the Hoare annotation is: true [2020-08-22 02:01:46,620 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 726 733) no Hoare annotation was computed. [2020-08-22 02:01:46,620 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 726 733) no Hoare annotation was computed. [2020-08-22 02:01:46,620 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,620 INFO L268 CegarLoopResult]: For program point L701(lines 701 709) no Hoare annotation was computed. [2020-08-22 02:01:46,621 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,621 INFO L268 CegarLoopResult]: For program point L699-1(line 699) no Hoare annotation was computed. [2020-08-22 02:01:46,621 INFO L268 CegarLoopResult]: For program point L697(lines 697 714) no Hoare annotation was computed. [2020-08-22 02:01:46,621 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 693 717) no Hoare annotation was computed. [2020-08-22 02:01:46,621 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 693 717) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,621 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,621 INFO L268 CegarLoopResult]: For program point L712-1(lines 693 717) no Hoare annotation was computed. [2020-08-22 02:01:46,621 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,622 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 685 691) no Hoare annotation was computed. [2020-08-22 02:01:46,622 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 685 691) the Hoare annotation is: true [2020-08-22 02:01:46,622 INFO L268 CegarLoopResult]: For program point L865(lines 865 878) no Hoare annotation was computed. [2020-08-22 02:01:46,622 INFO L264 CegarLoopResult]: At program point testENTRY(lines 825 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,622 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:01:46,622 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-08-22 02:01:46,622 INFO L268 CegarLoopResult]: For program point testFINAL(lines 825 890) no Hoare annotation was computed. [2020-08-22 02:01:46,622 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2020-08-22 02:01:46,622 INFO L264 CegarLoopResult]: At program point L880(lines 835 882) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:01:46,622 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L264 CegarLoopResult]: At program point L883(lines 834 884) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:01:46,623 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L264 CegarLoopResult]: At program point L871-1(lines 865 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point L836(lines 835 882) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point testEXIT(lines 825 890) no Hoare annotation was computed. [2020-08-22 02:01:46,623 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2020-08-22 02:01:46,624 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2020-08-22 02:01:46,624 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2020-08-22 02:01:46,625 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-22 02:01:46,625 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-08-22 02:01:46,625 INFO L268 CegarLoopResult]: For program point L637(lines 637 647) no Hoare annotation was computed. [2020-08-22 02:01:46,625 INFO L264 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-22 02:01:46,625 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-08-22 02:01:46,625 INFO L268 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-08-22 02:01:46,625 INFO L268 CegarLoopResult]: For program point L633-1(lines 625 653) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 625 653) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 625 653) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2020-08-22 02:01:46,626 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 617 624) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 617 624) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 617 624) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-08-22 02:01:46,627 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-08-22 02:01:46,628 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 893 902) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 893 902) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 893 902) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,629 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 718 725) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 492 500) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-22 02:01:46,630 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,631 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,631 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,631 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 02:01:46,631 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2020-08-22 02:01:46,631 INFO L268 CegarLoopResult]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2020-08-22 02:01:46,631 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2020-08-22 02:01:46,631 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2020-08-22 02:01:46,632 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2020-08-22 02:01:46,632 INFO L264 CegarLoopResult]: At program point L672(lines 672 678) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,632 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 02:01:46,632 INFO L268 CegarLoopResult]: For program point L665(lines 664 683) no Hoare annotation was computed. [2020-08-22 02:01:46,632 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 661 684) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,632 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 661 684) no Hoare annotation was computed. [2020-08-22 02:01:46,632 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 661 684) no Hoare annotation was computed. [2020-08-22 02:01:46,633 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:01:46,633 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 513 542) no Hoare annotation was computed. [2020-08-22 02:01:46,633 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 513 542) the Hoare annotation is: true [2020-08-22 02:01:46,633 INFO L271 CegarLoopResult]: At program point L538(lines 513 542) the Hoare annotation is: true [2020-08-22 02:01:46,633 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-22 02:01:46,633 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-08-22 02:01:46,633 INFO L271 CegarLoopResult]: At program point L527-1(lines 527 531) the Hoare annotation is: true [2020-08-22 02:01:46,633 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-22 02:01:46,634 INFO L271 CegarLoopResult]: At program point L523-2(lines 523 537) the Hoare annotation is: true [2020-08-22 02:01:46,634 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-08-22 02:01:46,634 INFO L268 CegarLoopResult]: For program point L519-1(line 519) no Hoare annotation was computed. [2020-08-22 02:01:46,634 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2020-08-22 02:01:46,634 INFO L268 CegarLoopResult]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2020-08-22 02:01:46,634 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2020-08-22 02:01:46,634 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2020-08-22 02:01:46,634 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2020-08-22 02:01:46,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,635 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 02:01:46,635 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:01:46,635 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:01:46,635 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2020-08-22 02:01:46,635 INFO L268 CegarLoopResult]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2020-08-22 02:01:46,635 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-22 02:01:46,636 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-22 02:01:46,636 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-22 02:01:46,636 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-22 02:01:46,636 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-22 02:01:46,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:01:46 BoogieIcfgContainer [2020-08-22 02:01:46,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:01:46,657 INFO L168 Benchmark]: Toolchain (without parser) took 25734.94 ms. Allocated memory was 140.5 MB in the beginning and 598.2 MB in the end (delta: 457.7 MB). Free memory was 103.1 MB in the beginning and 233.5 MB in the end (delta: -130.4 MB). Peak memory consumption was 476.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,658 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.86 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.9 MB in the beginning and 174.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,660 INFO L168 Benchmark]: Boogie Preprocessor took 99.07 ms. Allocated memory is still 203.9 MB. Free memory was 174.3 MB in the beginning and 169.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,661 INFO L168 Benchmark]: RCFGBuilder took 1178.35 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 195.9 MB in the end (delta: -26.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,662 INFO L168 Benchmark]: TraceAbstraction took 23816.58 ms. Allocated memory was 234.9 MB in the beginning and 598.2 MB in the end (delta: 363.3 MB). Free memory was 195.9 MB in the beginning and 233.5 MB in the end (delta: -37.6 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:01:46,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.86 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.9 MB in the beginning and 174.3 MB in the end (delta: -71.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.07 ms. Allocated memory is still 203.9 MB. Free memory was 174.3 MB in the beginning and 169.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.35 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 195.9 MB in the end (delta: -26.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23816.58 ms. Allocated memory was 234.9 MB in the beginning and 598.2 MB in the end (delta: 363.3 MB). Free memory was 195.9 MB in the beginning and 233.5 MB in the end (delta: -37.6 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 834]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 478 SDtfs, 1099 SDslu, 533 SDs, 0 SdLazy, 2247 SolverSat, 811 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 775 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...